U.S. Army Private First Class Trent Pritchartt, Specialist Ben Purvis, and Sergeant William Mackenzie, from the 2nd Battalion, 12th Infantry Regiment of the 4th Brigade Combat Team, 4th Infantry Division, fire a 120mm mortar at insurgent positions inside of Combat Outpost Nangalam in the Pech River Valley of Afghanistan's Kunar Province on July 1, 2012.