A U.S. Marine Corps 155mm white phosphorus artillery round explodes in the air to mask movement across a danger area by a squad of Marines with Alpha Company, 1st Battalion, 8th Marine Regiment, Regimental Combat Team 6 during Operation Reservoir Dogs in the village of Sabzikar, Helmand province, Afghanistan, May 1, 2012. Marines and Afghan National Security Forces conducted the 24 hour helo-borne operation to maintain pressure and degrade the enemy's command and control capabilities in the region.