U.S. Air Force Staff Sgt. Jessie Johnson, 3rd Infantry

U.S. Air Force Staff Sgt. Jessie Johnson, 3rd Infantry Division military working dog handler, plays with her dog, Chrach, before their explosives detection training, April 24, 2013, at Forward Operation Base Pasab, Afghanistan. Chrach is trained to detect the odor of explosives. Johnson, a native of Reading, Pa., has been a MWD handler for four years and is deployed from Luke Air Force Base, Ariz. (U.S. Air Force photo/Staff Sgt. Marleah Miller)