Cpl. Dennis Cox, a New York City native and scout sniper with 1st Battalion, 9th Marine Regiment, Regional Command (Southwest), inches closer to the edge of a dirt wall during an interdiction operation in Helmand province, Afghanistan, Dec. 19, 2013. Cox has been in the Marine Corps for 5 years and is completing his third deployment.
U.S. Army UH-60 Black Hawk helicopters assigned to the 1st Battalion, 189th Aviation Regiment, 36th Combat Aviation Brigade, line up for night air assault training with Soldiers assigned to 1st Brigade, 4th Infantry Division, at Udairi Army Airfield, Kuwait, Sept. 6, 2013. (U.S. Army photo by Sgt. Mark Scovell/Released)
A British CH-47 helicopter lands at Patrol Base Wishtan to evacuate an Afghan National Civil Order Police soldier in Sangin, Afghanistan, April 15, 2011. The U.S. Marines and Corpsman of 1st Platoon, Alpha Company, 1st Battalion, 5th Marines at PB Wishtan evacuated the injured ANCOP soldier after he was hit by an improvised explosive device while on patrol.