Combat Skills Airmen fire M-16 rifles during a combat skills training exercise at Joint Base Andrews, Md., Dec. 2, 2022. The exercise involved a chemical gas simulation in which airmen in full mission-oriented protective posture gear returned fire. SHARE: Download: Full Size (2.34 MB) Tags: Air Force Credit: Air Force Airman 1st Class Isabelle Churchill VIRIN: 221202-F-AB257-1093.JPG Photo Gallery