U.S. Army Sgt. Garrett Grenier, a dog handler, and

U.S. Army Sgt. Garrett Grenier, a dog handler, and U.S. Army Staff Sgt. Drake, a mine detection dog, conduct training at Bagram Air Field, Afghanistan, Jan. 8, 2013. Grenier and Drake are both members of the 49th Engineer Detachment (mine dogs), and train on a regular basis with real explosives in order to sharpen Drake's detection skills. (U.S. Army photo by Sgt. Christopher Bonebrake, 115th Mobile Public Affairs Detachment)