Acting Secretary of the Air Force Matthew Donovan is shown United Launch Alliance’s Delta IV rocket on Space Launch Complex-37 on July 19, 2019, at Cape Canaveral Air Force Station, Fla. Donovan visited the 45th Space Wing at Patrick Air Force Base, Fla., to become more familiar with space launch operations and to celebrate the 50th anniversary of NASA’s Apollo 11 mission. (U.S. Air Force photo by Jared Trimarchi)