: Dear Diary... Secret space plane or mini-space shuttle? Both. The Boeing X-37, a spacecraft operated by the US Air Force, was recently launched from NASA's Cape Canaveral. The launch was flawless even though the window was five hours long, with a 30% chance of favorable weather conditions for lift off. Its sole purposes are to rotate around the blue planet, to test reusable vehicle technologies as well as landing technologies... is that all? Artist's conception of X-37B, NASA Defense D... ...  #Promote the Blog www.theblueplanetdiaries.com 
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