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Defense Technical Information Archive
by Defense Technical Information Center
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Electrostatically modulating the carrier density of semiconductors, where the physics is relatively simple and well-understood, has long been the foundation for electronic devices. What if we could apply these techniques to a much broader range of materials? This short grant aimed at demonstrating such large potential modulations in correlated electron materials using a technique known as electrolyte gating. This planbuilt on my groups recent demonstration of electrolyte gating in Strontium...
Topics: DTIC Archive, Goldhaber-Gordon,David, Stanford University Palo Alto United States, electronics,...
Defense Technical Information Archive
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Over the grant period, we developed a two-dimensional viscous steady- state flow solver for both laminar and turbulent flow. We developed a way to incorporate wall functions in non-body fitted grids by having each cut cell spawn a linelet from the wall through the cut cell centroid, into the Cartesian grid. We developed a fully conservative method for coupling the wall function to the flow on the Cartesian grid. We extended the wall function into a more general wall model that solves a two...
Topics: DTIC Archive, Berger,Marsha J, NEW YORK UNIV NY NEW YORK United States, boundary value problems,...
Defense Technical Information Archive
by Defense Technical Information Center
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Aim 1. To measure simultaneously the spatial and the temporal structure of an isolated attosecond pulse while also simplifying attosecond metrology so it becomes more widely accessible. Result: This goal was completely accomplished. Aim 2: To exploit few-cycle infrared radiation to create shorter duration attosecond pulses. Result: We currently reach photon energies 500 eV but without phase control for the 1.8 micron driver. Aim 3: To compare attosecond gating methods, selecting the most...
Topics: DTIC Archive, Corkum,Paul, National Research Council of Canada Ottawa Canada, Metrology, time...
Defense Technical Information Archive
by Defense Technical Information Center
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Vision: Develop and deliver new human-centered technologies to quantify mission effectiveness and to select, train, design, protect, and operate for measurably improved mission effectiveness. Goals - to enhance mission effectiveness: Integrated simulations for mission training and experimentation; Human-machine designs for mission effectiveness; Assessment of (candidate) operator effectiveness; Operating through battlespace stresses; Mastering the PMESII battle space
Topics: DTIC Archive, Tangney,John, OFFICE OF NAVAL RESEARCH ARLINGTON VA ARLINGTON United States,...
Defense Technical Information Archive
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In this reporting period, we developed automated YouTube video metadata collection capabilities and released it part of Scraawl. In particular, we have developed two APIs for continuous (Streaming) and recent YouTube data searches, and designed a user-friendly UI for these searches using YouTube Data API v3.
Topics: DTIC Archive, Savas,Onur, INTELLIGENT AUTOMATION INC ROCKVILLE MD ROCKVILLE United States, social...
Defense Technical Information Archive
by Defense Technical Information Center
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In this reporting period, we performed the following tasks: A) Enhanced Named Entity Recognition Capabilities: We have enhanced the Named Entity Recognition (NER) capabilities of Scraawl by incorporating (i) part-of-speech tagging using GATE, (ii) enhancing the gazetteers with multilingual entities, and (iii) adding multi-lingual name matching capabilities. These capabilities will be made available in Scraawl advanced analytics no later than the end of August, 2016. B) Delivered Scraawl Version...
Topics: DTIC Archive, Savas,Onur, Intelligent Automation Incorporated Rockville United States, Natural...
This final report summarizes the third and final year of a project studying what appears to be an impasse in tribal/federal discourse regarding heritage consultation as currently practiced in the United States. We use Foucault's concept of governmentality to address cultural resource management (CRM) practices for a qualitative study addressing why tensions between tribes and federal agencies arise in heritage discourse, in spite of overlapping goals. Using practice and agency theories and the...
Topics: DTIC Archive, Cowie,Sarah E, University of Nevada - Reno Reno United States, american indians,...
The goal of this project is to fully develop Banach space methods for kernel-based machine learning that extend the Hilbert space framework of regularized learning. We proposed to study Reproducing Kernel Banach Spaces (RKBS) by the semi-inner-product, develop the theory of vector-valued RKBS with applications of RKBS to manifold learning, study frames and Riesz bases for sequence spaces, and construct RKBS with the l1-norm known to enforce sparse solutions. We will also explore classification...
Topics: DTIC Archive, Zhang,Jun, University of Michigan - Ann Arbor Ann Arbor United States, banach space,...
Defense Technical Information Archive
by Defense Technical Information Center
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Under static conditions, a system satisfying detailed balance generically relaxes to an equilibrium state in which there are no currents. To generate persistent currents, either detailed balance must be broken or the system must be driven in a time-dependent manner. A stationary system that violates detailed balance evolves to a nonequilibrium steady state (NESS) characterized by fixed currents. Conversely, a system that satisfies instantaneous detailed balance but is driven by the...
Topics: DTIC Archive, Raz,O, University of Maryland College Park United States, steady state, construction,...
An MHD-based model of terrestrial solar wind charge exchange (SWCX) is created and compared to 19 case study observations in the 0.50.7 keV emission band taken from the European Photon Imaging Cameras on board XMM-Newton. This model incorporates the Global Unified Magnetosphere-Ionosphere Coupling Simulation-4 MHD code and produces an X-ray emission data cube from O7 and O8 emission lines around the Earth using in situ solar wind parameters as the model input. This study details the modeling...
Topics: DTIC Archive, Whittaker,Ian C, University of Leicester Leicester United Kingdom, solar wind, x...
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Disordered CoFeCrAl and CoFeCrSi0.5Al0.5 alloys have been investigated experimentally and by first-principle calculations. The melt-spun and annealed samples all exhibit Heusler-type superlattice peaks, but the peak intensities indicate a substantial degree of B2-type chemical disorder. Si substitution reduces the degree of this disorder. Our theoretical analysis also considers several types of antisite disorder (Fe-Co, Fe-Cr, Co-Cr) in Y-ordered CoFeCrAl and partial substitution of Si for Al....
Topics: DTIC Archive, Choudhary,Renu, Indian Institute of Technology Mandi India, band gaps, density...
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This report summarizes the findings of an exploratory team of the North Atlantic Treaty Organization (NATO) Information Systems Technology panel into Content-Based Analytics (CBA). The team carried out a technical review into the current status of theoretical and practical developments of methods, tools, and techniques supporting joint exploitation of multimedia data sources. In particular, content-based information retrieval and analytics was considered as a means to allow military experts to...
Topics: DTIC Archive, Boury-Brisset,Anne-Claire, US Army Research Laboratory Aberdeen Proving Ground United...
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by Defense Technical Information Center
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This report summarizes the technical outcomes of the project All-Optical Quasi-Phase Matching for Laser Electron Acceleration, a project awarded to the Pennsylvania State University by the Defense Threat Reduction Agency. The results of test particle simulations, particle-in-cell simulations, experimental production of plasma channels, and novel optical diagnostics for radially polarized modes are discussed in detail.
Topics: DTIC Archive, Jovanovic,Igor, The Pennsylvania State University University Park United States,...
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Military SA (sexual assault) is a complex issue that needs attention. No screening for victimization during accessions. SA screening not established in primary care. Improve post SA follow-up care.
Topics: DTIC Archive, Allen,Michael P, 59TH Medical Wing JBSA Lackland United States
Alumina (aluminum oxide, Al2O3) has many favorable properties but is challenging to make transparent because of its anisotropic crystal structure. To combat the anisotropy, magnetic alignment of the particles can be used to minimize the change in index of refraction from grain to grain, thus reducing light scattering and allowing for transparency. Density functional theory results indicated that adding a rare-earth (RE) dopant enhanced the magnetic anisotropy of the alumina crystals, making...
Topics: DTIC Archive, Moorehead,Carli A, ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD ABERDEEN PROVING...
Defense Technical Information Archive
by Defense Technical Information Center
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Majorana fermions (MFs) are quantum particles that are their own anti-particles, and satisfy non-Abelian exchange statistics. The latter is the key for their potential use in fault-tolerant topological quantum computation. In this project, we proposed to investigate the possibility of realizing MFs in much more physically robust s-wave superfluids by utilizing two additional components: spin-orbit coupling and Zeeman fields. In the last year grant period, we have made the following important...
Topics: DTIC Archive, Zhang,Chuanwei, University of Texas at Dallas Richardson United States, Fermions,...
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Topics: DTIC Archive, Smith,Robert E, ARMY TANK AUTOMOTIVE RESEARCH DEVELOPMENT AND ENGINEERING CENTER...
Defense Technical Information Archive
by Defense Technical Information Center
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Briefing charts
Topics: DTIC Archive, McCullough,Michael, US ARMY TARDEC WARREN United States, MODELS, FORTRAN, Military...
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by Defense Technical Information Center
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The NATO Reference Mobility Model (NRMM) is a simulation tool aimed at predicting the capability of a vehicle to move over specified terrain conditions. NRMM was developed and validated by the U.S. Army Tank Automotive Research, Development, and Engineering Center (TARDEC) and Engineer Research and Development Center (ERDC) in the 1960s and 70s, and has been revised and updated throughout the years, resulting in the most recent version, NRMM II. NRMM is traditionally used to facilitate...
Topics: DTIC Archive, BRADBURY,MICHAEL, Tank Automotive Research, Development and Engineering Center...
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by Defense Technical Information Center
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In light of the central role of inflammation in normal wound repair and regeneration, we hypothesize that the preponderance of human-specific genes expressed in human inflammatory cells is commensurate with the genetic versatility of inflammatory response and the emergence of injuries associated with uniquely hominid behaviors, like a bipedal posture and the use of tools, weapons and fire. The hypothesis underscores the need to study human-specific signaling pathways in experimental models of...
Topics: DTIC Archive, Baird,Andrew, University of California San Diego School of Medicine, La Jolla San...
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Twenty refereed publications were published during the award period. Many of the publications were based on data from the 2009-2011 NPAL Philippine Sea experiments funded by ONR Grant N00014-08-1-0840, Fourteen of these publications appeared in the Special Issue on Deep-water Ocean Acoustics in the Journal of the Acoustical Society of America (Vol. 134, No. 4, Pt. 2 of 2, October 2013).
Topics: DTIC Archive, Worcester,Peter F, University of California San Diego La Jolla United States, Oceans,...
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Veterans who are taking prescription opioids for chronic pain and are engaging in risky drinking are at heightenedrisk for drug interactions, including overdose and other negative effects, particularly if they are also usingbenzodiazepines. In this application, we propose to test an adaptive prevention intervention, designed to reducerates of risky drinking in veterans receiving prescription opioids to treat their chronic pain. This adaptive,patient-centered intervention provides clinical...
Topics: DTIC Archive, McKay,James, Trustees of the University of Pennsylvania Philadelphia United States,...
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This Coastal and Hydraulics Engineering Technical Note (CHETN) summarizes the environmental benefits that could be gained by restoring sediment continuity from the Kansas River watershed to the Kansas River by passing sediment through, rather than trapping sediment in, large Federal reservoirs. The effort was conducted by the U.S. Army Engineer District, Kansas City (NWK), and supported by the U.S. Army Corps of Engineers (USACE) Regional Sediment Management (RSM) Program. The section of this...
Topics: DTIC Archive, Shelley,John, U.S. Army Engineer Research and Development Center Vicksburg United...
Special Operations Forces (SOF) are routinely exposed to physically demanding missions that result in significant changes in body composition, work capacity, and endocrine function. These changes primarily result from of an energy deficit and sleep deprivation, which are independently known to decrease levels of testosterone. The use of exogenous testosterone has been shown to increase lean body mass (LBM) and muscle function in healthy males and reverse cachexia in diseased populations....
Topics: DTIC Archive, Linderman,Jon K, U.S. Air Force School of Aerospace Medicine Wright-Patterson AFB,...
The DOD 2015 Cyber Strategy reported that a cyber attack could present a significant risk to U.S. national security. House Report 114-102 included a provision that GAO assess DODs plans for providing support to civil authorities for a domestic cyber incident. This report assesses whether (1) the National Guard has developed and DOD has visibility over capabilities that could support civil authorities in a cyber incident; and (2) DOD has conducted and participated in exercises to support civil...
Topics: DTIC Archive, U.S. Government Accountability Office Washington United States, national security,...
Defense Technical Information Archive
by Defense Technical Information Center
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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
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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...
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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
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DOD and the military services estimate total funding needs for fuel in annual budget requests by using planned consumption (measured in barrels of fuel) and a standard price per barrel set by DOD. Senate Report 114-49, accompanying a bill for the National Defense Authorization Act for fiscal year 2016, included a provision for GAO to review DODs approach to estimating fuel consumption. Among other objectives, this report (1) describes the military services reported actual spending on fuel...
Topics: DTIC Archive, Russell,Cary, U.S. Government Accountability Office 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,...
With the goal of replacing methylene dianiline (MDA) in PMR-15 (polymerizable monomeric reactant), which is a known toxin to humans, a thermally stable, polyhedral oligomeric silsequioxane (POSS) dianiline, which features an aromatic periphery, was copolymerized as a drop-in replacement. The chain length of the experimental oligomers was varied to study effects of cross-link density and nadic endcap concentration. The resultant oligomers were characterized for various neat resin and composite...
Topics: DTIC Archive, Lamb, Jason T, Air Force Research Laboratory (AFMC) AFRL/RQRP Edwards AFB United...
Defense Technical Information Archive
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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
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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,...
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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...
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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...
Applying price indexes presents a challenge in estimating the costs of new defense systems. An inappropriate price index can introduce errors in both development of cost estimating relationships (CERs) and in development of out-year budgets. In this paper we apply two sets of price indexes to the F-35 Joint Strike Fighter procurement program, both to help cost analysts understand the impacts of different price indexes and to provide guidance in their choice. We approach this problem via hedonic...
Topics: DTIC Archive, Horowitz,Stanley, Institute for Defense Analyses Alexandria United States, Price...
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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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by Defense Technical Information Center
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The Android Native Development Kit (NDK) provides a Java Android application a simplified mechanism to call embedded C native codes, which are used to increase the performance of a computationally intensive application. This step-by-step guide is intended to assist programmers with how to attach an NDK plugin to an Android Integrated Development Environment and how to call C functions from a Java application.
Topics: DTIC Archive, Vu, Hao Q, US Army Research Laboratory Adelphi United States, c programming language,...
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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,...
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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
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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,...
Defense Technical Information Archive
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This research aims to develop fundamental theories and practical algorithms for distributed, robust, and real-time learning in dynamic tactical networks. The overall objective is to significantly move the frontiers of knowledge in stochastic learning in the classic multi-armed bandit by systematically relaxing traditionally adopted restrictive assumptions.
Topics: DTIC Archive, Zhao,Qing, University of California - Davis Davis United States, network topology,...
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
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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
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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
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IEEE Instrumentation and Measurement Technology Conference 20 16 (is always abbreviated as IEEE 12MTC 2016 or12MTC 2016) is the flagship conference of IEEE Instrumentation and Measurement Society. In 2016, the Conference attracts more than 235 attendees from 41 countries/areas. There were 1 plenary talk, 2 keynotes, 16 tutorials and 294 papers presented during the Conference. 12MTC 2016 included new technical activities, the industry sessions, special talks which highlighted the issues of paper...
Topics: DTIC Archive, Hwang,Chi-Hung, National Applied Research Laboratories Taipei Taiwan, measurement,...
We have developed robust low-magnetic-field implementations of MRI (LFI) focused on brain imaging with two complimentary test scanner systems: electromagnet and permanent magnet based. We have also developed injury-sensitive MRI based on the detection of free radicals associated with injury using the Overhauser effect and subsequently imaging that modified nuclear polarization using low-field MRI (OMRI). We have optimized imaging sequences, image reconstruction, and parallel imaging based...
Topics: DTIC Archive, Rosen,Matthew S, Harvard University Cambridge United States, magnetic resonance...
Defense Technical Information Archive
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The Arctic region has traditionally been trapped by the coverage of seasonal ice, but by 2030 the area is predicted to become a new frontier for humanity. Mankind will undoubtedly bring with it all the varying levels of environmental impacts associated with increased human presence such as shipping, exploration, research, tourism, military patrols, and unfortunately the potential for conflict. So far, climate change, diplomacy, and economic factors have been the major driving factors in shaping...
Topics: DTIC Archive, Zaiko,Michael J, Joint Forces Staff College Norfolk United States, arctic regions,...
Defense Technical Information Archive
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The tactical applications (TacApps) teams initial analysis of the Battle Command Sustainment Support System (BCS3) has focused on setting up a BCS3 demo environment, analyzing BCS3 software code, ingesting available documentation, and understanding the specific data feeds upon which the National Enterprise Data Portal (NEDP) component of the BCS3 depends. Also included is an analysis of the Global Combat Support System Army data integration. The NEDP data feeds are typically delivered via flat...
Topics: DTIC Archive, Arnold ,Ross, ARMY ARMAMENT RESEARCH DEVELOPMENT AND ENGINEERING CENTER PICATINNY...
Defense Technical Information Archive
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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...
Defense Technical Information Archive
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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...
Chinas meteoric rise has captured the attention of the United States. Adding to the complexity is China has successfully made inroads in Latin America. This reality has strategists and policy-makers at odds with one-another with respect to formulating a policy for addressing the growth of Chinese influence in Latin America. The concern is whether the rise of China and its increasing presence in Latin America signals a challenge to the influence of the United States in the Western Hemisphere....
Topics: DTIC Archive, Barron,Benito J, Joint Advanced Warfighting School Norfolk United States,...
Defense Technical Information Archive
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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...