U.S. Army soldiers with the 66th Engineer Company, 225th Brigade Support Battalion, 2nd Brigade Combat Team, 25th Infantry Division, place a Bangalore explosive to clear a barbed wire obstacle Sept. 20, 2012, during a live fire exercise at the Pohakuloa Training Area, on Hawaii's Big Island. Soldiers from the 1st Battalion, 21st Infantry Regiment, are conducting a month-long exercise which is focused on platoon level collective training with enabler integration. The training will culminate in a combined arms live fire exercise later this month.