707 NASA "Vomit Comet"Boeing 707 NASA Vomit Comet airplane model. At NASA's Johnson Space Center, there is a microgravity research aircraft, a KC 135 Low G Flight Research aircraft (a predecessor of the Boeing 707) which is typically used for refueling military aircraft. The four engine turbojet has been modified to meet NASA's needs to train astronaut and conduct microgravity research. The biggest difference (in addition to removal of the fueling probe), is the way that

An essential piece for any aviation enthusiast

On September 13

is mounted 11 feet (3

Rotorspan 30 inches

92 mm MG 15 machine guns

making it an essential tool in the far reaches of the Pacific war

Boeing launched the 747-400 in October 1985 and the first development aircraft first flew on April 29

It took flight on February 9

Construction of the prototype began in July 1963 and the first flight occurred on February 25

with the inaugural flight on October 26

the 'Bison-C'

Wingspan 22 1/4 inches