Lt. General Stephen N. Whiting, Space Operations Command commander and presiding officer, Col. Anthony Mastalir, outgoing SLD 30 commander, Col. Robert A. Long, incoming SLD 30 commander and Chief Jason DeLucy, SLD 30 command chief and guidon-bearer, prepare for an official change of command on June 11, 2021, Vandenberg Space Force Base, Calif. (U.S. Space Force photo by Michael Peterson)