Space Launch Delta 30 members participate in a change of command ceremony on June 11, 2021, Vandenberg Space Force Base, Calif. During the ceremony, Col. Robert A. Long assumed command of SLD 30, responsible for spacelift and range operations in support of national and combatant commander requirements, and operational and developmental missile system testing for the Department of Defense. (U.S. Space Force photo by Airman 1st Class Rocio Romo)