SCHRIEVER AIR FORCE BASE, Colo. -- U.S. Senator Angus S. King, Jr. (I-ME), chairman of the Senate Armed Services Subcommittee on Strategic Forces, visited with U.S. Space Command and U.S. Space Force leaders at the National Space Defense Center, May 14, 2021. From left, U.S. Marine Corps Master Gunnery Sgt. Scott Stalker, USSPACECOM command senior