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Reduced-gravity aircraft
Videos
A reduced-gravity aircraft is a type of fixed-wing aircraft that provides brief near-weightless environments for training astronauts, conducting research, and making gravity-free movie shots.
Project Mercury astronauts on board a C-131 Samaritan flying as the "vomit comet" in 1959
Project Mercury astronauts on board a C-131 Samaritan flying as the "vomit comet" in 1959
KC-135 0-G aircraft nicknamed "Vomit Comet"
KC-135 0-G aircraft nicknamed "Vomit Comet"
Physicist Stephen Hawking on board a reduced-gravity aircraft in April 2007
Physicist Stephen Hawking on board a reduced-gravity aircraft in April 2007
Ecuadorian crew in weightlessness
Ecuadorian crew in weightlessness
Boeing KC-135 Stratotanker
Videos
The Boeing KC-135 Stratotanker is an American military aerial refueling tanker aircraft that was developed from the Boeing 367-80 prototype, alongside the Boeing 707 airliner. It has a narrower fusela
Reduced-gravity aircraft
…flights on various aircraft for many years. In 1959 Project Mercury astronauts trained in a C-131 Samaritan aircraft dubbed the "vomit comet". Twin KC-135 Stratotankers were used until December 2004 and later retired. One, a KC-135A registered N930NA (also known as NASA 930, formerly USAF serial no. 59-1481), flew more…
A KC-135R (above) refuels an F-15C Eagle (below)
A KC-135R (above) refuels an F-15C Eagle (below)
A KC-135A refueling a B-52D during the Cold War: Both aircraft types were operated by the Strategic Air Command.
A KC-135A refueling a B-52D during the Cold War: Both aircraft types were operated by the Strategic Air Command.
In November 1957, Air Force Vice Chief of Staff General Curtis LeMay tested the first KC-135 on a long-haul flight from Westover Air Force Base, Massa
In November 1957, Air Force Vice Chief of Staff General Curtis LeMay tested the first KC-135 on a long-haul flight from Westover Air Force Base, Massachusetts, to Buenos Aires, Argentina.
A nose-on view of several re-engined KC-135R aircraft taxiing prior to takeoff: The new engines are CFM56-2 high-bypass turbofans.
A nose-on view of several re-engined KC-135R aircraft taxiing prior to takeoff: The new engines are CFM56-2 high-bypass turbofans.