U.S. Marine Corps Lance Cpl. Timothy Mcguire, an improvised explosive device detection dog (IDD) handler with Lima Company, 3rd Battalion, 8th Marine Regiment, Regimental Combat team 6 retrieves an imitation explosive from his IDD during a detection exercise on Forward Operating Base Geronimo, Helmand province, Afghanistan Aug. 16, 2012. The handlers conducted the training to sharpen the skills of their dogs in locating improvised explosive devises on the battle field. (U.S. Marine Corps photo by Lance Cpl. Cesar N. Contreras/Released)