LEATHERNECK DRILLS U.S. Marine Corps Cpl. Jason Tutchtone, left, and Lance Cpl. Byronalex Constantino conduct drills based on the rules of engagement on Camp Leatherneck in Afghanistan's Helmand province, Jan. 9, 2014. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 566682-H-DXG60-549.jpg Photo Gallery