A glider used by Space Test Fundamentals Course Class 21-2 students to collect data points in air is towed over the mountains of Tehachapi, Calif., June 3, 2021. Students attending the course, headquared at the United States Air Force Test Pilot School on 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)