AF Guard, Reserve units welcome USSPACECOM CSEL Stalker, highlights units’ critical space capabilities Published May 8, 2023 By Tech. Sgt. Luke Kitterman VANDENBERG SPACE FORCE BASE, Calif. -- U.S. Marine Corps Master Gunnery Sgt. Scott H. Stalker, U.S. Space Command (USPACECOM) command senior enlisted leader, left, listens to U.S. Air Force Col. Karen Slocum, 9th Combat Operations Squadron (9 COS) commander, at Space Delta 1’s auditorium on Vandenberg Space Force Base, Calif., May 6, 2023. Stalker gave a mission brief of USSPACECOM and how the 9 COS plays a vital role in space operations. The 9 COS is an Air Force Reserve Command space operations unit and is the Reserve Associate unit to Space Delta 5, which augments intelligence, planning and operations at the Combined Space Operations Center. (U.S. Space Force photo by Tech. Sgt. Luke Kitterman)