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RocketShip delivers third Delta IV Heavy booster at VAFB
Mission partners guide a Delta IV Heavy booster from a United Launch Alliance barge, known as the RocketShip, to a Horizontal Integration Facility, May 4, 2020, at Vandenberg Air Force Base, Calif. This was the third and final booster delivered on the RocketShip, which was offloaded four weeks after the first two due to weather conditions. (U.S. Air Force photo by Senior Airman Aubree Owens)