Scientific, technical, engineering & related business information by or for the U.S. government & complementary materials from international sources.
Includes publicly accessible DTIC reports in their Technical Reports Library. NTIS has a more fully functioning search interface.
Both publicly accessible and Controlled Unclassified Information documents in all areas of defense research (science, technology, engineering, social science, business & budget), DOD directives & instructions
Accounts available to DOD and federal government employees and their contractors. CAC login/registration required.