U.S. Space Force Tech. Sgt. James Challman, Space Training and Readiness Command’s non-commissioned officer in charge of the Cadet Space Operations Squadron in the Department of Astronautics, U.S. Air Force Academy, discusses exercise control plans during exercise Freedom Shield 26 at Osan Air Base, Republic of Korea, March 12, 2026. Challman served as an exercise control specialist during FS26, directing scenarios and adjudicating the effectiveness of simulated actions by exercise participants. (U.S. Space Force photo by 2nd Lt. Andrew Taller