Firefighter Training Air Force firefighters use a hand-held hose to extinguish a fire inside a mock C-123 training device during an aircraft rescue firefighting training exercise at Keesler Air Force Base, Miss., Nov. 8, 2019. SHARE: Download: Full Size (1.1 MB) Tags: Air Force Credit: Kemberly Groue, Air Force VIRIN: 191108-F-BD983-0372A.JPG Photo Gallery