Mosaic Lightning 26-1
U.S. Air Force 355th Civil Engineer Squadron firefighters discuss their course of action during a live-fire training exercise conducted as part of Mosaic Lightning 26-1 at Davis-Monthan Air Force Base, Arizona, Nov. 14, 2025. ML 26-1 encompassed additional wing-wide scenarios, including an active-shooter response, rapid runway repair, a simulated deployment and protest operations. (U.S. Air Force Photo by Senior Airman Jhade Herrera)