U.S. Space Force Col. Peter Flores, Space Delta 12 – Test and Evaluation commander, left, passes the guidon to U.S. Space Force Col. Ryan Caulk, DEL 12, 4th Test and Evaluation Squadron commander, during the assumption of command ceremony at Peterson Space Force Base, Colorado, Aug. 27, 2021. The squadron is charged with testing Space Force spectrum mission area capabilities. (U.S. Space Force photo by Airman 1st Class Kaitlin Castillo)