U.S. Space Force Col. Stephen Lyon, director of the National Space Defense Center and director of operations for the Joint Task Force-Space Defense, poses for an official photo at Schriever Space Force Base, Colorado, July 11, 2022. Lyon has also served as a combat crew commander, senior crew instructor, and flight commander on the Minuteman III Intercontinental Ballistic Missile, deputy chief, combat operations division at the Joint Space Operations Center, and squadron command at the National Reconnaissance Office’s Aerospace Data Facility - Southwest. (U.S. Space Force photo by Tiana Williams)