GUNNER'S GAZE A U.S. Marine provides security from the gunner's turret of his track vehicle during an operation in Helmand province, Afghanistan, Aug. 15, 2014. The Marines are charged with protecting and clearing all threats near Bastion and Leatherneck camps. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 758625-F-EMQ01-174.jpg Photo Gallery