U.S. Air Force Staff Sgt. Deandre Curtiss, an aerial

U.S. Air Force Staff Sgt. Deandre Curtiss, an aerial combat photojournalist assigned to the 3rd Combat Camera Squadron, checks his camera settings during Exercise Scorpion Lens 15 Feb. 10, 2015, at North Auxiliary Airfield, S.C. Exercise Scorpion Lens is an annual exercise designed to validate the ability of Air Force combat camera Airmen to survive, operate and provide directed imagery capability in an austere environment including in the presence of chemical, biological, radiological and nuclear contamination. (U.S. Air Force photo by Staff Sgt. Jamal D. Sutter/Released)