Ground Survey Army Pfc. Diamond Her and Air Force Master Sgt. Brett Sanchez survey the ground during a decontamination training exercise at Al Udeid Air Base, Qatar, Feb. 22, 2019. SHARE: Download: Full Size (1.29 MB) Tags: Army, Air Force, Training Credit: Air Force Tech. Sgt. Christopher Hubenthal VIRIN: 190222-F-AD344-1154C.JPG Photo Gallery