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Defense Technical Information Archive
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One of the seven goals of Better Buying Power 2.0 is to improve the professionalism of the total acquisition workforce. I thought it might be useful to provide some specificity about what I have in mind when I talk about professionalism. The following is based on various experiences over my career, including some formal education on the nature of professionalism in the military, including at venues like West Point and the Army War College, in my on-the-job training in program management and...
Topics: DTIC Archive, Tyree,Benjamin, Defense Acquisition University Fort Belvoir United States,...
In separate, replicated experiments, we experimentally established wash-off coefficients (kw) for the chemical agent VX on grass, utilizing 1 and 3 L VX droplets at 0.017 (1 min), 1, and 4 h after dissemination. A 10 mm (0.39 in.) rain event at 0.017 h after dissemination washed off 95 and 83% of the 1 and 3 L VX droplets, respectively. At 1 h after dissemination, a 10 mm rain event washed off 0.03 and 0.5% of the 1 and 3 L VX droplets, respectively. At 0.017 h after dissemination, the kw...
Topics: DTIC Archive, Haley,Mark V, Edgewood Chemical Biological Center APG United States, agents, plant...
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A thermal bimorph is a thin laminate which develops curvature upon heating on account of being constructed from layers of mismatched thermal expansion coefficients. However, current bimorphs are generally limited to benign temperatures and linear temperature displacement relationships. This work develops modelling techniques and fabrication methods that facilitate the use of nonlinear-response thermal bimorphs in high-temperature morphing structures. Successful application of this work may...
Topics: DTIC Archive, Weaver,Paul, University of Bristol Bristol United Kingdom, Thermal management,...
The specific aims of this project are to: 1) Perform a GeCKO library screen to identify genes that when knocked out render human ovarian cells 2.5-fold resistant to CBDCA; 2) Validate the ability of candidate gens to control sensitivity to CBCDA in vitro and in vivo, and 3) Functionally annotate the candidate genes using public resources. Substantial progress has been made on specific aim 1. This progress report covers work done from June 15, 2015 through May 31, 2016. Significant achievements...
Topics: DTIC Archive, Howell,Stephen B, University of California, San Diego La Jolla United States
Defense Technical Information Archive
by Defense Technical Information Center
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Our audit objective was to determine whether selected DoD Components were effectively consolidating their data centers in accordance with the Federal DataCenter Consolidation Initiative (FDCCI). Specifically, we planned to verify the status of the consolidations and determine whether actual efficiencies gained met the estimated efficiencies reported to the Office of Management and Budget (OMB). Because DoD acknowledged the significant challenges to realizing efficiencies, we focused on...
Topics: DTIC Archive, Department of Defense Inspector General Alexandria United States, department of...
Defense Technical Information Archive
by Defense Technical Information Center
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Precision Orbit Determination (OD) is often critical for successful satellite operations supporting a wide variety of missions. Directional or angles only measurements of a satellite are typically represented in spherical coordinates on the observer's celestial sphere (e.g. azimuth and elevation or right ascension and declination). Computing residuals in these angular coordinates during the OD process can introduce errors in the same way an equirectangular projection distorts both distance and...
Topics: DTIC Archive, Ward,Evan M, U.S. Naval Research Laboratory Washington United States
The degeneracy of the genetic code allows nucleic acids to encode amino acid identity as well as noncoding information for gene regulation and genome maintenance. The rare arginine codons AGA and AGG (AGR) present a case study in codon choice, with AGRs encoding important transcriptional and translational properties distinct from the other synonymous alternatives (CGN). We created a strain of Escherichia coli with all 123 instances of AGR codons removed from all essential genes. We readily...
Topics: DTIC Archive, Napolitano,Michael G, Harvard Medical School Boston United States, NUCLEOTIDES,...
Defense Technical Information Archive
by Defense Technical Information Center
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Time needed to develop and field new military capabilities is becoming an increasingly serious problem. Among other things, development times have steadily increased. In this paper, we attempt to structure the schedule estimating problem, present some initial results, and propose a research agenda to improve schedule estimating. Accordingly, we seek preliminary answers to the following questions. What is the current state of the art for estimating acquisition program schedules?What should it...
Topics: DTIC Archive, Franck,Raymond, U.S. Air Force Academy USAFA United States
Defense Technical Information Archive
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Musculoskeletal modeling has become a valuable tool with which to understand how neural, muscular, skeletal and other tissues are integrated to produce movement. Most musculoskeletal modeling work has to date focused on humans or their close relatives, with few examples of quadrupedal animal limb models. A musculoskeletal model of the mouse hindlimb could have broad utility for questions in medicine, genetics, locomotion and neuroscience. This is due to this species position as a premier model...
Topics: DTIC Archive, Charles,James P, Royal Veterinary College London United Kingdom, Biomechanics,...
Defense Technical Information Archive
by Defense Technical Information Center
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Supplier selection plays a key role in the context of supply chain management. As recent emphasis has been placed on supply chain resilience, so too should such emphasis be placed on resilient suppliers. In particular, this work evaluates how different suppliers enable the supply chain to withstand the impacts of a disruption and return performance to a desired level in a timely manner. The primary measure of supply chain performance is taken to be availability, or the extent to which the...
Topics: DTIC Archive, Barker,Kash, University of Oklahoma Norman United States, Supply chain management,...
The Department of Defense (DoD) acquisition workforce is growing rapidly, and the need to align tasks to job positions and competencies with individuals to ensure positions are filled with the best fitting candidate is extremely important. DASN RDT and E has funded NPS on a multi-year project to lead a multi-agency working group in the development of a Systems Engineering Career Competency Model (SECCM). The current phase of the SECCM development project is heavily focused on the verification...
Topics: DTIC Archive, Whitcomb,Clifford, Naval Postgraduate School Monterey United States, systems...
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The time from initiation of the project (15-July-2015) until the first experiments could be conducted (January, 2016) was devoted primarily to obtaining IACUC approval (October 30, 2015), the subsequent ACURO approval (December 31, 2015),hiring new personnel, conducting baseline testing for procedures not involving animals, testing equipment, developing detailed experimental design, conducting required training and testing of all personnel, and setting up all necessary accounts. Beginning in...
Topics: DTIC Archive, Adler,Martin W, Temple University of the Commonwealth System Philadelphia United...
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The overall goal of this paper is to continue our efforts to forge new ground in identifying the effects of interdependencies in large complex networked applications and, if needed, uncovering early indicators of interdependency risk so that appropriate risk mitigation actions may be taken. Specifically, we seek to study and quantify the impact of network characteristics on cascading risk. Cascading risk is defined as the propagation of programmatic issues across networked programs due to the...
Topics: DTIC Archive, Raja,Anita, Office of Acquisition Resources and Analysis, OUSD (AT and L) Washington...
Defense Technical Information Archive
by Defense Technical Information Center
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The main goal of the original MUSIQC proposal was to construct and demonstrate a modular and universally-expandable ion trap quantumcomputer. This architecture has two separate layers of scalability: the first is to increase the number of ion qubits in a single trap, with full control over the qubits, and the second is to interconnect qubits in different traps using photonic channels. The proof-of-principle demonstrations for single and two-qubit gates in a single ion chain had been carried out...
Topics: DTIC Archive, Kim,Jungsang, Duke University Durham, United States, quantum computing, QUANTUM BITS,...
Defense Technical Information Archive
by Defense Technical Information Center
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The following report outlines a procedure and algorithm to optimize the potential knowledge gained about a complex system when performing robustness testing and faced with a set of constraints. In particular, this project was catalyzed by the need to put a value on testing. Included with this project report is a proof of concept created in MS Excel utilizing its VBA developer tool. In short, a test network is created by establishing test relationships and then assigning each an expected...
Topics: DTIC Archive, Valerdi,Ricardo, University of Arizona Tucson United States, systems engineering,...
Key principles needed for the rational design of thermosetting monomer crystals, in order to control the melting point, have been elucidated using both theoretical and experimental investigations of cyanate esters. A determination of the thermodynamic properties associated with melting showed that the substitution of silicon for the central quaternary carbon in the di(cyanate ester), 2,2-bis(4-cyanatophenyl)propane, resulted in an increase in the entropy of melting along with a decrease in the...
Topics: DTIC Archive, Guenthner, Andrew J, Air Force Research Laboratory (AFMC) AFRL/RQRP Edwards AFB...
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Corruption in Conflict: Lessons from the U.S. Experience in Afghanistan is the first in a series of lessons learned reports planned to be issued by the Special Inspector General for Afghanistan Reconstruction (SIGAR). The report examine show the U.S. governmentprimarily the Departments of Defense, State, Treasury, and Justice, and the U.S. Agency for International Developmentunderstood the risks of corruption in Afghanistan, how the U.S. response to corruption evolved,and the effectiveness of...
Topics: DTIC Archive, Sopko,John F, Special Inspector General for Afghanistan Reconstruction (SIGAR)...
The goal of this project is to develop intraventricular delivery of oncolytic HSV and to augment Dr. Friedman's training and education. The critical first step in developing this potential therapy is determining the cause of toxicity. In the first year, we determined that only active virus and not inactivated virus or vehicle caused toxicity, and virus was seen in the ependyma. We established the timing of the inflammatory response post-injection of the virus with a peak response seen at day 4...
Topics: DTIC Archive, Friedman,Gregory, The University of Alabama at Birmingham Birmingham United States,...
The first part of this manuscript examines the impact of configuration changes to the learning curve when implemented during production. This research is a study on the impact to the learning curve slope when production is continuous but a configuration change occurs. Analysis discovered the learning curve slope after a configuration change is different from the stable learning curve slope pre-configuration change. The newly configured units were statistically different from previous units....
Topics: DTIC Archive, Honious,Candice, Air Force Institute of Technology Wright Patterson AFB United...
Defense Technical Information Archive
by Defense Technical Information Center
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This paper examines how collaboration between the cost analysis and price analysis functions can achieve program efficiencies. Collaboration is defined along two dimensions:(1) as interactions between analysts from the two functions and (2) as exchange of relevant data and information between the functions. This study facilitated an exchange of financial data common to all programs, namely, the Cost and Software Data Reports and Price Negotiation Memorandums, between the two functions....
Topics: DTIC Archive, Rao,Venkat, Defense Acquisition University Midwest Region San Diego United States,...
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by Defense Technical Information Center
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Naval Medical Research and Development News is a publication of the Naval Medical Research Center, 503 Robert GrantAvenue, Silver Spring, Maryland, 20910.
Topics: DTIC Archive, Naval Medical Research Center Silver Spring United States, INFECTIOUS DISEASES,...
This technical report is the Final Deliverable for Grant No.: N00244-15-1-0051 from the Naval Postgraduate School (NPS) with funding via the NAVSUP Fleet Logistics Center San Diego, on the topic of Advancing Human-Machine Symbiosis Using Hybrid Methods for Collaborative Problem-Solving. This effort was a basic and applied research study program involving thorough reviews and assessments of applicable state of the art research and methods, and the development of a detailed functional design for...
Topics: DTIC Archive, Llinas,James, Center for Multisource Information Fusion Buffalo United States,...
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This research explored the potential for backward lasing from natural constituents in air with the objective of developing revolutionary methods for standoff detection of trace gases. Backward lasing enables far-field monitoring through modulation methods. The approach utilizes the very high gain available from multiphoton pumping of atomic species, which can be created by the dissociation of molecules in air. Lasing has been demonstrated from oxygen, nitrogen and water vapor. In each of these...
Topics: DTIC Archive, Miles,Richard B, The Trustees Of Princeton University Princeton United States,...
Defense Technical Information Archive
by Defense Technical Information Center
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Israels security has significant relevance for U.S. interests in the Middle East, and Congress plays an active role in shaping and overseeing U.S. relations with Israel. This report focuses on the following: Recent dynamics in U.S.-Israel relations and security cooperation; Addressing regional threats Israel perceives, including via a new memorandum of understanding on U.S. military aid to Israel; Current domestic political issues; Some Israeli-Palestinian developments.
Topics: DTIC Archive, Zanotti,Jim, Congressional Research Service Washington United States, Israel, Foreign...
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Current Navy plans call for achieving and maintaining a fleet of 308 ships of certain types and numbers. Some observers have advocated increasing the Navys force-level goal to about 350 ships. The Navy is currently conducting a force structure assessment (FSA), and some observers anticipate that this FSA will lead to a new Navy force-level goal of more than 308 ships, although not necessarily 350 ships. The Navys actual size in recent years has generally been in the range of 270 to 290 ships....
Topics: DTIC Archive, O'Rourke,Ronald, Congressional Research Service Washington United States, naval...
Since the 1960s, the United States has deployed nuclear weapons on three types of strategic delivery vehicles collectively known as the strategic triad. The triad comprises the sea-based leg (submarine-launched ballistic missiles), ground-based leg (intercontinental ballistic missiles), and airborne leg (nuclear-capable heavy bombers). As a result of arms control agreements and strategic policies, the number of U.S. nuclear weapons and strategic delivery vehicles has been reduced substantially;...
Topics: DTIC Archive, Kirschbaum,Joseph W, U.S. Government Accountability Office Washington United States,...
Why GAO Did This StudyBurn pits help base commanders manage waste generated by U.S. forces overseas, but they also produce harmful emissions that military and other health professionals believe may result in chronic health effects for those exposed. Section 313 of the NDAA for FY 2015 requires the Secretary of Defense to review DOD compliance with law and guidance regarding the disposal of covered waste in burn pits. DOD submitted a report on the results of its review in March 2016.Section 313...
Topics: DTIC Archive, U.S. Government Accountability Office Washington United States, waste management,...
This study was undertaken to quantify and compare electromagnetic device (i.e., antenna) measurements using the US Army Research Laboratory's (ARL) near-field range (NFR) and tapered anechoic chamber, which has been newly renovated with absorber material. ARL would like to know the performance levels with the NFR and the newly renovated, slightly different absorber layout configuration laid out and designed by the contractor. Post-renovation measurements in the tapered chamber led to a further...
Topics: DTIC Archive, Anthony,Theodore K, US Army Research Laboratory Adelphi United States, acoustic...
U.S. airlines have successfully used Parts Manufacturer Approval (PMA) parts and designated engineering representative (DER) repairs to decrease the cost of their aircraft engine maintenance. These parts and repairs are provided by third-party companies and are certified by the Federal Aviation Administration to be airworthy and interchangeable with original equipment manufacturer (OEM) parts or repairs. The U.S. Department of Defense (DoD) operates many commercial-derivative engines in its...
Topics: DTIC Archive, Chenoweth,Mary E, RAND National Defense Research Institute Santa Monica United...
This project aims to (i) control graphene electronic structure by perturbing it using nanoparticles; (ii) fabricate graphene field-effect transistors and demonstrate their superior performances; (iii) investigate the THz and sub-THz characteristics of graphene layers. We have demonstrated engineering the bandgap of single layer Graphene by decorating with randomly distributed zinc oxide (ZnO) and gold nanoparticles. The proximity of nanoparticles and Graphene break Graphenes sublattice symmetry...
Topics: DTIC Archive, Pala,Nezih, Florida International University Miami United States, FIELD EFFECT...
Defense Technical Information Archive
by Defense Technical Information Center
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By means of comprehensive and systematic DFT computations, we computationally designed novel 2D nanomaterials with unique structures and exceptional properties, such as Be5C2 monolayers with quasi-planaer pentacoordinate carbon, FeB6 monolayers hypercoordinate transition metal, semiconducting Group 15 monolayers, bismuth iodide monolayers, PdS2 monolayers with unprecedented structure as other transition-metal disulfides, Pentagonal B2C Monolayer, and examined their potential applications of 2D...
Topics: DTIC Archive, Chen,Zhongfang, University of Puerto Rico at Rio Piedras San Juan Puerto Rico,...
Topics: DTIC Archive, McClean, Julie L, UNIVERSITY OF CALIFORNIA, SAN DIEGO LA JOLLA, United States
A coaxial carbon nanotube/manganese oxide material (3DNC/MnO2) was fabricated by coating manganese oxide on silicon pillar array assisted three-dimensional network of carbon nanotubes (3DNC), which could be used as an electrode for supercapacitors. The 3DNC provides not only a conductive framework for deposition of MnO2, but also sufficient voids for ionic diffusion, which are benefit for the electrochemical performance. Compared with the CNTs/MnO2 on bared silicon substrates (2DNC/MnO2), the...
Topics: DTIC Archive, Lee,Haiwon, Hanyang University Seoul, carbon nanotubes, nanotechnology, capacitors,...
Defense Technical Information Archive
by Defense Technical Information Center
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The primary aim of this project is to investigate the relationship between various modifiable factors and the absorption of permethrin as a result of wearing permethrin-treated Army Combat Uniforms (ACU-Permethrin). The research objective is to examine the effect of body weight/BMI and total energy expenditure on permethrin absorption and dose, as determined by measurement of urinary biomarkers (3PBA and cis- and trans-DCCA) levels. There are two studies involved in our project the first is a...
Topics: DTIC Archive, Proctor,Susan P, exposure (physiology), DOSIMETRY, military medicine, dosage forms,...
Defense Technical Information Archive
by Defense Technical Information Center
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59 participants have been enrolled in this research study. 33 subjects have been found to have hypofunction.
Topics: DTIC Archive, Serrador,Jorge M, Veterans Biomedical Research Institute East Orange United States,...
Defense Technical Information Archive
by Defense Technical Information Center
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U.S. sanctionsand U.S. attempts to impose multilateral and international sanctionshave been a significant component of U.S. Iran policy since the 1979 revolution. The objectives of U.S. sanctions have evolved over time. In the 1980s and 1990s, U.S. sanctions were intended to try to compel Iran to cease supporting acts of terrorism and to limit Irans strategic power in the Middle East more generally. Since the mid-2000s, U.S. sanctions have focused on ensuring that Irans nuclear program is for...
Topics: DTIC Archive, Katzman,Kenneth, Congressional Research Service Washington United States, foreign...
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The planned size of the Navy, the rate of Navy ship procurement, and the prospective affordability of the Navys shipbuilding plans have been matters of concern for the congressional defense committees for the past several years. The apparent end of the post-Cold War era and the transition to a new international security situation featuring renewed great power competition has intensified concerns among some observers regarding the current and future size and capabilities of the Navy. The Navys...
Topics: DTIC Archive, O'Rourke,Ronald, Congressional Research Service Washington United States, MILITARY...
The Joint Aircraft Survivability Program (JASP)-V-14-05 was a collaborative, 3-year Joint Aircraft Survivability (Joint Live Fire-Air) project to develop a lightweight, low-power, acoustic, fire-suppression system. This report documents the background, mechanisms research, and prototype development for JASP-V-14-05. We found that the strongest influence on the flames mass flux was the magnitude of oscillatory air movement experienced by the flame. Acoustic perturbations were imposed on flames...
Topics: DTIC Archive, Friedman,Adam, US Army Research Laboratory Aberdeen Proving Ground United States,...
Lithium manganese oxide spinel materials exhibit promising electrochemical performance and good thermodynamic and kinetic stability when used as a cathode in lithium and lithium-ion electrochemical systems. An inherent disadvantage is their limited cyclability as a result of the energy barriers for removing lithium from the octahedral sites. This work incorporates chlorine into the lattice of the AB2O4 to help assist in lithium deinsertion from the octahedral sites. By introducing this chlorine...
Topics: DTIC Archive, Latorre,Paula C, U.S. Army Communications, Electronics, Research, Development and...
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State responses to trans-national terrorism have long included law enforcement, the military, and intelligence services. Only recently have soft power elements been brought to bear to encourage jihad abandonment. Several nations implement a variety of deradicalization or disengagement programs aimed at preventing future attacks, either by convincing a radical to abandon his or her radical ideology (de-radicalize) or merely to abstain from future attacks (disengage). Though individual program...
Topics: DTIC Archive, Hayter,Christopher N, National Defense University Joint Forces Staff College Norfolk...
Defense Technical Information Archive
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Contemporary reactions to Russian aggression advance the notion that the U.S. and its western allies should internationally and economically isolate Russia while increasing the alliances hard power projection to contain and deter further aggression. This advancement is a polarizing pendulum swing in response to the perceived failure of the 2009 Reset of relations between U.S. and Russia. With an understanding of Russian strategic culture and national interests in mind, this thesis offers that...
Topics: DTIC Archive, Nieman,Craig M, Joint Forces Staff College Norfolk United States, international...
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by Defense Technical Information Center
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Prostate cancer (PCa) is the second leading cause of cancer death in men. However, when detected and treated promptly the five-year relative survival rate approaches 100 . The overall purpose of this project is to develop improved means using MRI for detecting prostate cancer with the potential for differentiating disease aggressiveness. The hypothesis is that dynamic whole-volume contrast-enhanced perfusion imaging of the prostate gland can be performed with 1 mm isotropic spatial resolution...
Topics: DTIC Archive, Riederer,Stephen J, Mayo Clinic Rochester United States, prostate cancer, magnetic...
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by Defense Technical Information Center
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In this project, to achieve our goals of (i) further enhancing capability to analyze unstructured social media data at scale and rapidly, and (ii) improving IAI social media software Scraawl's features, we have (i) designed and implemented temporal community detection and influence discovery algorithms, (ii) enhanced Scraawl Ul for improved usability and navigation, (iii) improved the computational framework of Scraawl, (iv) enhanced Named Entity Recognition (NER), and (v) designed and...
Topics: DTIC Archive, Savas,Onur, INTELLIGENT AUTOMATION INC ROCKVILLE MD ROCKVILLE United States, social...
Supply chain workers make observable, preventable errors while completing their assigned tasks in the shipping process. Previous research has indicated that individuals with a greater grasp of their work and better system knowledge are less likely to commit interpretation errors. We believe worker-performance may, likewise, be affected by an individuals knowledge of why and where they fit into a larger system defined as mission knowledge. To assess our research objectives, we conduct a...
Topics: DTIC Archive, Miller,Allen R, AFIT WPAFB United States, supply chain management, Supply depots,...
A series of organizational changes within the Office of the Secretary of Defense (OSD) since the Cold Wars end arguably fostered a devolution of focus on the nuclear enterprise. This culminated with inexcusable incidents that questioned the credibility of the United States nuclear enterprise. Through a content analysis of reports, directives, and historical documents with interviews of Department of Defense (DoD) personnel, this research found that the organizational changes drove a dissolution...
Topics: DTIC Archive, Ortiz,Marc Anthony C, AIR FORCE INSTITUTE OF TECHNOLOGY WPAFB United States,...
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On the surface, the majority of Air Force units appear to be executing some form of project risk management (PRM). Deeper investigation exposes many of the PRM practices currently in place to often be ad hoc, and as such, have the potential to poorly inform decisions when risk data is escalated to the enterprise levels of the Air Force. Resultantly, there is inconsistency between the PRM processes practiced by Air Force units. This inconsistency is an indication of risk mishandling at the...
Topics: DTIC Archive, Perez,Eric J, Air Force Institute of Technology WPAFB, project management, risk...
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by Defense Technical Information Center
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This work demonstrates the use of optimal control and stochastic estimation techniques as an autonomous near real-time dynamic route planner for the DoD concept of the loyal wingman. First, the optimal control problem is formulated for a static threat environment and a hybrid numerical method is demonstrated. The optimal control problem is transcribed to a nonlinear program using direct orthogonal collocation, and a heuristic particle swarm optimization algorithm is used to supply an initial...
Topics: DTIC Archive, Humphreys,Clay J, AIR FORCE INSTITUTE OF TECHNOLOGY WRIGHT-PATTERSON AFB OH...
NF1-assocaited MPNST accounts for 50% of all MPNSTs and is one of the most difficult subtypes of soft tissue sarcoma to manage, given its poor sensitivity to conventional systemic therapy and radiotherapy and high likelihood to metastasize. Novel therapeutic development is imperative. Using comprehensive and integrative genomic approaches, we have identified recurrent inactivating genetic alterations of three central pathways: PRC2 (80%) core components (EED or SUZ12), CDKN2A (81%) and NF1 (72%...
Topics: DTIC Archive, Chi,Ping, Sloan Kettering Institute for Cancer New York United States, Connective...
Defense Technical Information Archive
by Defense Technical Information Center
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This report studies how changes in job location for active duty members of the US military affect the earnings of their civilian spouses. Previous research has found that military spouses have lower earnings and employment than people with the same age, sex and education who are married to civilians, and that having experienced more military moves in the past is associated with lower spousal earnings. But military spouses may differ from civilian spouses along other dimensions that also affect...
Topics: DTIC Archive, Burke,Jeremy, RAND National Defense Research Institute Santa Monica United States,...
The objective of the Anbar Awakening project was to create an unclassified resource for trainers and educators. It is presented in multimedia to accommodate different teaching and learning styles. The project presents the Awakening movements phases from the development of the insurgency in 2003 to the Coalitions transfer of responsibility for Al Anbar to the Iraqis in 2008. In addition, it offers analysis and lessons, many of which are transferrable to current and future conflicts.This document...
Topics: DTIC Archive, Knarr,William, Institute for Defense Analyses Alexandria United States, combat...
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by Defense Technical Information Center
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Aviation operations and pilot enabling technologies are increasingly sophisticated and expensive. The result is fewer but more capable aircraft requiring highly skilled aviators. While these emerging technologies greatly improve aircraft performance and enhance mission capabilities, they require much more technologically oriented aviators to manage the systems and still fly the aircraft. The emerging gap and the weakest link is in selecting and retaining the most skilled pilots. Thus, it is...
Topics: DTIC Archive, Robb,Jeffery M, US Army Command and General Staff College Fort Leavenworth United...
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Current Navy plans call for achieving and maintaining a fleet of 308 ships of certain types and numbers. Some observers have advocated increasing the Navys force-level goal to about 350 ships. The Navy is currently conducting a force structure assessment (FSA), and some observers anticipate that this FSA will lead to a new Navy force-level goal of more than 308 ships, although not necessarily 350 ships. The Navys actual size in recent years has generally been in the range of 270 to 290 ships.
Topics: DTIC Archive, O'Rourke,Ronald, Congressional Research Service Washington United States, aircraft...
Defense Technical Information Archive
by Defense Technical Information Center
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This report summarizes SIGARs oversight work and updates developments in the three major sectors of Afghanistans reconstruction effort from July 1 to September 30, 2016.* It also includes an essay on the status of Afghan women across six key development sectors: security, political and economic participation, justice, health, and education. The essay is the product of a fact-finding mission in which SIGAR analysts interviewed notable female Afghan government officials and civil-society leaders...
Topics: DTIC Archive, Special Inspector General for Afghanistan Reconstruction Arlington United States,...
Google Android and Apple iOS ecosystems differ fundamentally, largely because of their parent companies 'different business models. However, the platforms' tools and protections appear to be converging: Android is adopting run-time permissions requests, which iOS has used for years; both are incorporating stronger encryption.
Topics: DTIC Archive, Yerukhimovich,Arkady, Massachusetts Institute of Technology -Lincoln Laboratory...
Defense Technical Information Archive
by Defense Technical Information Center
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History has proven that the time and location of the next war will be unexpected. The U.S Army forces are currently deployed around the world to respond to many different threats to the American way of life. Balancing this demand, during an interwar period plagued with financial restriction, has forced the Army to reduce its size. Active division headquarters, the largest tactical organization to manage forces, are currently fully engaged in managing the current situation. This research focuses...
Topics: DTIC Archive, Williams,Christopher G, US Army Command and General Staff College Fort Leavenworth...
Defense Technical Information Archive
by Defense Technical Information Center
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The goal of this research is to increase our understanding of the impact of the ocean and seafloor environmental variability on deep-water (long-range) ocean acoustic propagation and to develop methodologies for including this in acoustic models. Experimental analysis is combined with model development to isolate specific physics and improve our understanding. During the past few years, the physics effects studied have been three-dimensional propagation on global scales, deep water ambient...
Topics: DTIC Archive, Heaney,Kevin, Ocean Acoustical Services and Instrumentation Systems, Inc Lexington...
Fragile X syndrome (FXS), the most common heritable form of intellectual disability and most common single-gene form of autism, is caused by partial or complete silencing of the fragile X (FMR1) gene upon expansion of a CGG-repeat element within the gene, leading to loss of the FMR1 protein (FMRP). The protein is important for brain development, and its loss is accompanied by both intellectual and behavioral disability. The purpose of the research is to identify therapeutic agents that increase...
Topics: DTIC Archive, Hagerman,Paul, University of California, Davis Davis United States, epilepsy,...
Defense Technical Information Archive
by Defense Technical Information Center
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Obstructive sleep apnea (OSA) is a growing health concern in both civilian and military populations. Individuals who suffer from OSA have increased rates of cardiovascular disease, chronic fatigue, motor vehicle accidents, cognitive impairment, and post-traumatic stress disorder. Data from the Defense Medical Surveillance System (DMSS) were utilized to examine the incidence of OSA and associated attrition from service in active component military members from 1 January 2004 through 31 May 2016....
Topics: DTIC Archive, Rogers,Amy E, Armed Forces Health Surveillance Branch Silver Spring United States,...
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Adequately capturing lessons learned from noncombatant evacuation operations is crucial to improving this inherently joint and interagency effort. As the lead federal agency for the evacuation of U.S. citizens from areas of natural disaster, civil unrest, or other large scale emergency situations, the Department of State should also take the lead in conducting after action reviews and capturing lessons learned following NEOs. This work seeks to determine the current processes and capabilities...
Topics: DTIC Archive, Titus,Jeffrey M, US Army Command and General Staff College Fort Leavenworth United...
Defense Technical Information Archive
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The objective of this research is to develop a new photospheric driver to assimilate radial magnetic maps into magneto-frictional (MF) simulations of the Suns coronal magnetic field. Together with the Air Force Data Assimilative Photospheric Flux Transport (ADAPT) Model to assess how the MF model can improve background solar wind forecasts and whether flux ropes in the model can constrain magnetic topology or interplanetary magnetic fields. In the second year of the project improved filtering...
Topics: DTIC Archive, Yeates,Anthony, University of Durham Durham United Kingdom, magnetic fields, solar...
Defense Technical Information Archive
by Defense Technical Information Center
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These briefing charts concern the protection of real-time systems.
Topics: DTIC Archive, CARNEGIE-MELLON UNIV PITTSBURGH PA PITTSBURGH United States, software development,...
Defense Technical Information Archive
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The use of novel wing internal structure to control and improve aeroelastic (static shape, flutter / divergence and gust response) wing performance was investigated. Rib and spar variable orientation and crenellation concepts were explored making use of NASTRAN Finite Element and MATLAB tools developed as part of the work. The report focuses on the spar/rib arrangement and the crenellated skin concepts. It was shown how it is possible to increase the flutter speed and also reduce gust loads via...
Topics: DTIC Archive, Cooper,Jonathan E, The University of Bristol Bristol United Kingdom
Defense Technical Information Archive
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The US Army Research Laboratory (ARL) must evolve technical communication strategies to enhance its mission. Benefits will include international recognition of ARL scientists, wider impact of ARL scientific accomplishments, easier recruitment of top-notch employees, attraction of more customer funding through strong demonstration of added value and enhanced tech transfer, and strengthened relationships with academic and industry collaborators. In support of increasing ARLs impact, an internal...
Topics: DTIC Archive, Vettel,Jean M, US Army Research Laboratory Adelphi United States, online...
Defense Technical Information Archive
by Defense Technical Information Center
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The efficiency and capabilities of the process map tool, ProMap, was improved by implementing new features, and sharing data with MIDAS and AMDIT databases. Specifically, process efficiency was improved by 1) providing access to APE information contained in the AMDIT database directly from inside ProMap when constructing a process map, 2) providing direct access to previously constructed process maps in ProMap from the MIDAS program, 3) permitting ProMap to retrieve characterization structure...
Topics: DTIC Archive, Gramoll,Kurt C, Gramago, LLC Norman United States, department of defense, databases,...
Historically, the Lower Mississippi River (LMR) flowed over 1,130 miles and had access to a 30- to 124-mile wide floodplain. Overtime, a multitude of engineering activities undertaken to create safer navigation and reduce flood damage shortened the Lower Mississippi River by 140 miles and greatly reduced the floodplain. These engineering activities also included closing dike construction in secondary channels to divert more water to the main channel during low river stages. However, the...
Topics: DTIC Archive, Guntren,Erin L, US Army Engineer Division, Mississippi Valley Vicksburg, Mississippi...
The Army has 1,500 vehicular bridges on its installations, with many experiencing high maintenance or replacement costs due to corrosion of the steel structure or of the reinforcing bar in the concrete deck. Under the Department of Defense Corrosion Prevention and Control Program (Project F12-AR15), a span of Bridge No. 4 at Fort Knox, Kentucky, was selected to demonstrate and validate a new corrosion-resistant hybrid composite bridge beam. The results of that project were published as...
Topics: DTIC Archive, Commander,Brett, BRIDGE DIAGNOSTICS INC BOULDER CO BOULDER United States, Bridges,...
Defense Technical Information Archive
by Defense Technical Information Center
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On October 14, 2016, CNA convened a half-day meeting of experts to discuss the use of special operations forces (SOF) by the next administration. Our speakers and panelists consisted of a former Assistant Secretary of Defense and six former SOF Commanders whose rank at retirement ranged from one to four stars. Our audience of approximately 50 attendees consisted largely of active duty SOF and their civilian equivalents, ranging from the rank of Major to Lieutenant General. The conversation was...
Topics: DTIC Archive, Powell,Alexander, CENTER FOR NAVAL ANALYSES ALEXANDRIA VA ALEXANDRIA, SPECIAL...
Defense Technical Information Archive
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In the summer of 1857, President James Buchanan dispatched the 2,500 man Utah Expedition from Fort Leavenworth to reassert Federal control over the Utah Territory and replace its incumbent governor. Based on dubious reports made by returning federally-appointed territorial officials, the President had become highly suspicious of the Mormon sect that settled the distant mountain west and feared that they might soon rebel against the United States and possibly ally with Mexico or Native American...
Topics: DTIC Archive, Bailey,Travis R, US Army School for Advanced Military Studies Fort Leavenworth United...
Defense Technical Information Archive
by Defense Technical Information Center
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The Multiple Inert Gas Elimination Technique (MIGET) is a method of assessing ventilation/perfusion (VA/Q) inequalities, shunt, and diffusion limitation. It was initially developed as a means of quantifying VA/Q mismatch as an intrapulmonary cause of hypoxemia. The lung is viewed as a set of 50 respiratory units, each with a distinctive VA/Q ratio. Six inert gases of varying solubility in blood are infused, and the arterial and expired gas concentrations of the gases are measured under...
Topics: DTIC Archive, Dixon,Alexander T, United States Army Institute of Surgical Research San Antonio...
Operations by Sixth Army Group are not as familiar to Americans for a variety of reasons. For most Americans there tends to be more attentiveness with the literature on the landings in Normandy and subsequent operations. This monograph investigates operations conducted by the Sixth Army Group during the Second World War and its effective contribution to Eisenhower's broad front strategy as measured by how they integrated the French First Army into operations, arranging its logistic support, and...
Topics: DTIC Archive, Beard, Rebecca E, US Army School for Advanced Military Studies Fort Leavenworth...
Defense Technical Information Archive
by Defense Technical Information Center
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AMSARA has provided the Department of Defense with evidence-based evaluations of accession medical standards since 1996. As part of this ongoing research activity, data are collected from each services Disability Evaluation System (DES). AMSARAs mission was expanded in fiscal year (FY) 2009 to include audits and studies of existing DES by the request of the Office of Assistant Secretary of Defense, Health Affairs. The Disability Evaluation System Analysis and Research Annual Report includes...
Topics: DTIC Archive, Boivin,Michael R, WALTER REED ARMY INST OF RESEARCH SILVER SPRING MD SILVER SPRING...
DOD uses both military depots and contractors to maintain many complex weapon systems and equipment. Recognizing the key role of the depots and the risk of overreliance on contractors, Section 2464 of Title 10 of the U.S. Code requires DOD to maintain a core maintenance capabilitya government-owned and operated combination of personnel, facilities, equipment, processes, and technology. Section 2464 requires DOD to provide a Biennial Core Report to Congress that includes information for the next...
Topics: DTIC Archive, U.S. Government Accountability Office Washington United States, weapon systems,...
Previous research indicates that measures of joint attention provide unique insight into team cognition and performance. In this study, we examined the effects of practice and joint attention on team performance improvement using multivariate mixed models, with an emphasis on exploring the correlation structure between the variances in growth trajectories of team performance and joint attention around estimated means. Observed patterns in team performance showed time dependent trends well known...
Topics: DTIC Archive, Tolston,Michael T, 711 Human Performance Wing Wright-Patterson AFB United States,...
Defense Technical Information Archive
by Defense Technical Information Center
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Since its inception in 1999, the Stryker Brigade Combat Team (Stryker BCT) structure has been under continuous revision. These changes have the potential to move the Stryker BCT away from its initial concept as defined in the Interim Brigade Organizational and Operational (O and O) Concept. When the O and O is compared to the Army Operating Concept, five gaps are identified: Double-V hull protection, which decreases strategic mobility, loss of the combined arms concept at company level, limited...
Topics: DTIC Archive, Burggrabe, Reed A, ARMY COMMAND AND GENERAL STAFF COLLEGE FORT LEAVENWORTH KS FORT...
Defense Technical Information Archive
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The purpose of this monograph is to explore how Cuba and the Republic of South Africa used tactical actions in southern Angola to pursue their strategic objectives in the South African Border War from 1987 to 1988. The monograph focuses on how the two states used these tactical actions to further their respective narratives of victory and seek a continued strategic advantage. The monograph compares and contrasts the strategies and interpretations of military actions in Angola from the...
Topics: DTIC Archive, Williams,Jayson N, US Army School for Advanced Military Studies Fort Leavenworth...