Senior Airman Steven Martin, left, and Staff Sgt. James Leonard, 49th Component Maintenance Squadron jet engine intermediate maintenance craftsmen, use a borescope to inspect narrow and hard-to-reach areas inside a F-16 Viper engine, May 13, 2021, on Holloman Air Force Base, New Mexico. The 49th CMS provides on and off-equipment maintenance support for assigned F-16 aircraft enabling Combat Air Force pilot training. (U.S. Air Force photo by Airman 1st Class Jessica Sanchez)