Pfc. Rafael Rivera, a native of Coamo, Puerto Rico, guards explosives before a demolitions exercise as Army 1Lt. Duane Ruch, a native of Perryville, Mo., sorts C-4. Soldiers assigned to A Company, 425th Brigade Special Troops Battalion, rigged trees with C-4 plastic explosive during a training exercise at Forward Operating Base Sparta on Joint Base Elmendorf-Richardson, Alaska, March 21, 2013. The exercise allowed the soldiers to train with demolitions and taking down trees to block enemy advance on roadways. (U.S. Air Force photo/Justin Connaher)
Justin Connaher
Taken on 21 March 2013
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