law and are therefore in the public domain. National Archives and DVIDS is 'a work prepared by an officer or employee' of the federal government 'as part of that person's official duties.' In general, under section 105 of the Copyright Act, such works are not entitled to domestic copyright protection under U.S. All of these materials are preserved because they are important to the workings of Government, have long-term research worth, or provide information of value to citizens.ĭisclaimer: A work of the U.S. The Defense Visual Information Distribution Service provides a connection between world media and the American military personnel serving at home and abroad. There are approximately 10 billion pages of textual records 12 million maps, charts, and architectural and engineering drawings 25 million still photographs and graphics 24 million aerial photographs 300,000 reels of motion picture film 400,000 video and sound recordings and 133 terabytes of electronic data. Learn about the concepts of space flight and orbital mechanics by playing and experimenting. Recreate historic flights with addon spacecraft packages: Mercury, Gemini, Apollo, Vostok and more. NARA keeps those Federal records that are judged to have continuing value-about 2 to 5 percent of those generated in any given year. Orbiter allows you to experience manned and unmanned space flight missions from the pilots perspective.

National Archives and Records Administration (NARA) was established in 1934 by President Franklin Roosevelt.

National Archives and Defense Visual Information Distribution Service. The objects in this collection are from The U.S.

Orbiter addons for building rockets