KC-135A Stratotanker winglet test flight
A U.S. Air Force KC-135A Stratotanker taking off during a test of experimental winglets, mid-1970s.
NASA/Dryden Research Aircraft Movie Collection
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Encyclopædia Britannica, Inc.Don't let film photography become a lost art.Media Editors: Lauren Sims , Kira Helm
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Contunico © ZDF Studios GmbH, MainzLearn about the production of ethanol as a biofuel in Brazil.
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Encyclopædia Britannica, Inc.It was a world before streaming services.Media Editor: Lauren Sims
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NASAThe Boeing-built Lunar Roving Vehicle transported astronauts and equipment across the Moon during the Apollo 15, 16, and 17 missions.
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NASA/Dryden Research Aircraft Movie CollectionThe Lockheed C-5A Galaxy undergoing a wing vortice test at NASA's Langley Research Center in Hampton, Virginia, c. 1970s.
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NASA/Dryden Research Aircraft Movie CollectionU.S. Air Force SR-71 Blackbird taking off from Edwards Air Force Base in California, c. 1991. The Blackbird was once the world's fastest and highest-flying aircraft.
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Contunico © ZDF Studios GmbH, MainzA Boeing 747 undergoing a D-check, an extensive maintenance inspection in which much of the aircraft is disassembled and examined.