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The bronze first stage of the vehicle was erected atop the mobile launch platform inside the Vertical Integration Facility at Cape Canaveral on Thursday, Sept. 13.
After setting the interstage adapter hardware in place, the Centaur upper stage was hoisted high into the assembly building on Saturday, Sept. 15.
The upcoming spaceflight will be the second for this particular X-37B vehicle, which spent 224 days, 9 hours and 24 minutes aloft between April and December 2010 on the inaugural OTV shakedown cruise.
A second vehicle spent 468 days, 13 hours and 2 minutes on a voyage from March 2011 to this past June that circled the globe more than 7,000 times.
Originally posted by SLAYER69
reply to post by Zaphod58
Thanks for the clarification. I knew they had flew a smaller prototype earlier. I wasn't aware of two full sized crafts.