. . . . . "Manned spaceflight-general: NASA ... the 25th year" . . . . . . . . . . . . . . . . "Contains the original NASA film tracing the history of NASA and emphasizing the numerous challenges and accomplishments of its first 25 years. We see the astronauts undergoing rigorous training, the successes of the manned space flight and lunar landing programs, and the proof of Skylab that people could live and work in space for extended periods of time. The Apollo-Soyuz Test Project showed the advantages of international collaboration. NASA also launched many solar system probes: the Explorer, Mariner, Pioneer and Voyager projects all contributed greatly to space exploration."@en . . . . "Traces the history of the National Aeronautics and Space Administration, emphasizing the numerous challenges and accomplishments of a quarter century of air and space research and exploration." . "Traces the history of the National Aeronautics and Space Administration, emphasizing the numerous challenges and accomplishments of a quarter century of air and space research and exploration."@en . "NASA: the twenty-fifth year" . . . . "NASA-- the twenty-fifth year"@en . . . . . . . . . . . . . "NASA the 25th year"@en . "America in space, the 1st 25 years"@en . "Provides a retrospective of the accomplishm ents of the U.S. space program in its first 25 years. Traces the steps of Explorer I, Mercury, Gemini, Apollo, Skylab, Space Shuttle, Space Station, Viking, & Voyager programs."@en . . . . . "NASA, the twenty-fifth year"@en . . . "Documentary films"@en . "History"@en . . . . "History" . "NASA, the 25th year"@en . . "Nonfiction films"@en . . "Nasa the 25th year" . "America in space, the first 25 years"@en . . . "NASA--the 25th year" . . . . . "NASA -- the 25th year highlights from the first 25 years"@en . . . "America in space"@en . "NASA, \"the 25th year\""@en . . . "Traces the history of the National Aeronautics and Space Administration. Emphasizes the numerous challenges and accomplishments of a quarter of a century of air and space research and exploration."@en . . . "NASA : the 25th year"@en . . . . . "America in space : the first 25 years"@en . "Chronicles, from Explorer I to the Space Shuttle, the numerous challenges and accomplishments that have marked a quarter century of air and space exploration."@en . . . . . . . "NASA, the 25th year"@en . . "NASA-- the 25th year"@en . "NASA-- the 25th year" . . . "NASA ... the 25th year"@en . . "NASA - the 25th year"@en . . . . "Astronautics United States History." . . . . "AUC Library." . . "Instructional Video." . . "Earth Science Video." . . "Outer space" . .