U.S. Space Force Col. William Ackman, 737th Training Group commander, and U.S. Space Force Chief Master Sgt. Zachary Foulk, 737th TRG senior enlisted leader, present U.S. Space Force Sgt. Morgan Thompson, 535th Training Squadron military training instructor, with a Military Training Instructor training certificate during MTI School graduation ceremony at Joint Base San Antonio-Lackland, Texas, July 24, 2026. Thompson's graduation marks an historic milestone to complete Space Force Military Training Instructor School having not served in any other military branch. (U.S. Air Force photo by Jonathan R. Mallard)