From Space.com. You can read the full article here.
CREDIT: Karl Tate, SPACE.com
CREDIT: USAF/Vandenberg Air Force Base
CREDIT: USAF
US Air Force X-37B: Photos and Specifications
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Tag Archives: x37b
Update on X-37B Launch: How many X-37Bs?
Just read this. Yes, it’s a second prototype, desginated the X-37B OTV-2 (Orbital Test Vehicle 2).
So now, the question becomes how many of these OTVs does the USAF have, and in what other variations?
