U.S. Space Force Col. Marc Brock, Space Delta 2 (DEL 2) commander, speaks at a podium during the beginning of the 18th Space Defense Squadron’s re-designation ceremony at Vandenberg Space Force Base, Calif., April 13, 2022. The 18 SDS is a component of DEL 2, which focuses on Space Domain Awareness (SDA) Command and Control, integrating and synchronizing SDA capabilities in support of the contested and congested domain, and collaboration with allies and partners (U.S. Space Force photo by Tech. Sgt. Luke Kitterman)