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- U-2 spy plane keeps on soaring (photos)
Check-off before take-off
6 of 22 from U-2 spy plane keeps on soaring (photos)
A pilot runs through his preflight checklist before taking off in a U-2S. Because of the great heights at which the Lockheed Martin-built spy plane flies, pilots have to wear full pressure suits like those that protect astronauts in space.
February 22, 2012 10:58 AM PST
Photo by: U.S. Air Force photo/Staff Sgt. Andrea Knudson
| Caption by: Jonathan Skillings
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