A U.S. Marine Corps Low Altitude Air Defense (LAAD) Basic Gunner Course student assigned to the LAAD Training Section, Air Control Training Squadron, Marine Corps Communications-Electronics School fires an FIM-92 Stinger missile aboard Marine Corps Air Ground Combat Center, Twentynine Palms, California, July 16, 2021. The purpose of the exercise was to certify entry-level LAAD students to fire the FIM-92 Stinger missile, a graduation prerequisite before moving to the Fleet Marine Force. (U.S. Marine Corps photo by Lance Cpl. Colton Brownlee)