180308-Z-DI861-1086
Senior Master Sgt. Mireya Calderafavela, force protection superintendent from the 379th Expeditionary Civil Engineer Squadron, prepares to participate in a firefighter challenge exercise at Al Udeid Air Base, Qatar, March 8, 2018. The a exercise, a strenuous course designed to test physical fitness and fire response capabilities, was organized by firefighters from the 379th ECES and Qatar Emiri Air Force. (U.S. Air Force photo by Staff Sgt. Joshua Horton)