Delta IV MST rollback
The mobile service tower rolls back from the United Launch Alliance Delta IV Medium+ (5,2) rocket on Space Launch Complex 6 here Tuesday, April 3, 2012. This is the Department of Defense's first-ever launch of a Delta IV configured with a 5-meter payload fairing and two solid rocket motors.
U.S. Air Force photo/Staff Sgt. Andrew Satran
2012-04-03
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