The summary describes the more significant activities and achievements of the Defense Documentation Center during FY 1968, including: Automatic Service. DDC continued testing a program of automatic services and products to DDC users in the form of comprehensive service packages containing: (1) special bulletins announcing newly acquired technical reports of interest to individual user groups; (2) complete sets of indexes (corporate author, subject, etc.) for each bulletin; (3) microfiche copies of reports; (4) magnetic tapes of announcement information; and (5) special automatic bibliographies. On-Line Experimentation. DDC experimented with the concept of on-line, real-time access to DDC data banks from remote terminals. In-house experimentation, using a prototype cathode ray tube on-line to a UNIVAC 1107 computer, resulted in a successful demonstration of system capability. Finalized and approved plans called for progressive expansion to a network of on-line terminals within the Department of Defense, utilizing the UNIVAC 1108 computer to be installed in September 1968. Increased Use of Microfiche. A major step toward improved and more economical service was the emphasis placed upon providing technical reports in the form of microfiche. In FY 1968 more than 323,000 requests for technical reports were filled in this form, and 593,000 reports distributed automatically according to users' technical profiles.