Lance Cpl. Christopher Yudin, a machinegunner with 2nd Battalion, 5th Marines, Regimental Combat Team 6, looks through the sights of his M240 machinegun, May 30, 2012. - Lance Cpl. Christopher Yudin, a machinegunner with 2nd Battalion, 5th Marines, Regimental Combat Team 6, looks through the sights of his M240 machinegun, May 30, 2012.