The hatch opens on a United Launch Alliance barge, known as the RocketShip, revealing Delta IV Heavy boosters April 5, 2020, at Vandenberg Air Force Base, Calif. The barge docked at Vandenberg AFB to offload Delta IV Heavy boosters for an upcoming launch scheduled to occur later this year. The barge operation is a vital first step to executing the mission of assured access to space. (U.S. Air Force photo by Senior Airman Aubree Owens)