Uncertain Fate Looms For NASA’s Two Largest Research Aircraft

space observation aircraft
Delivered to Pan Am in May 1977, the converted 747SP began space science observation missions in 2010.
Credit: Jim Ross/NASA
NASA’s two largest research aircraft, the Boeing 747SP airborne observatory and the McDonnell Douglas DC-8 flying laboratory, face an increasingly uncertain future amid budget reductions and growing problems of parts obsolescence. Funding for the 747SP Stratospheric Observatory for Infrared...

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