The 8-million-pound mobile service tower is retracted from around the Atlas 5 rocket, revealing the 20-story-tall vehicle for liftoff from Vandenberg Air Force Base, California.
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Atlas 5
Photos: Atlas 5 rocket assembled to launch the S.S. John Glenn
A United Launch Alliance Atlas 5 rocket, flying in its basic two-stage configuration with no strap-on solids, was stacked aboard a mobile launch platform at Cape Canaveral’s Vertical Integration Facility on Feb. 22 and 23 in preparation to send Orbital ATK’s S.S. John Glenn cargo ship into orbit for the International Space Station.