United States Space Force Capt. Austin Cooner, United States Test Pilot School Space Test Fundamentals deputy course director, ties down a glider used by STF Course Class 21-2 at Mountain Valley Airport in Tehachapi, Calif., June 3, 2021. Students attending the course, headquared at Edwards Air Force Base, utilized gliders to strengthen their understanding of time-compressed data collection practices in unfamiliar environments. (U.S. Air Force Photo/Tech. Sgt. Robert Cloys)