Operation Question Mark
So it was that an Atlantic-Fokker C-2A airplane was dubbed the Question Mark, in an exercise that was part research project, part publicity stunt. The question was this: just how long could this plane stay in the air before it finally had to come back down to Earth?
August 25, 2013 9:14 AM PDT
Photo by: US Air Force
| Caption by: Jonathan Skillings
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