U.S. Marines from 2nd Platoon, Lima Company of the 3rd Battalion 6th Marines use a flare to signal a landing position to a medevac helicopter near Patrol Base Beatley in Margah District, Helmand Province, Afghanistan, on April 20, 2010. US Marines entered Marja District in Helmand Province, Southern Afghanistan in February 2010 as part of the largest joint operation by NATO and Afghan forces to be conducted in the US-led occupation to that point. Photo by Adam Ferguson
       
     
 U.S. Army Sergeant Anderson from 1st Platoon, Apache Company, 2nd Battalion, 87th Infantry Regiment, 3rd Brigade Combat Team, 10th Mountain Division sits at a temporary patrol base after a patrol in the Tangi Valley, Wardak Province, Afghanistan, on September 11, 2009. ANA and Apache Company conducted a four-day mission to show an increased presence in the area and to search target houses. Photo by Adam Ferguson
       
     
 U.S. Marines from 2nd Platoon, Lima Company of the 3rd Battalion 6th Marines, stand near the burn pit at Patrol Base Beatley, in Marja District, Helmand Province, Afghanistan, on April 20, 2010. U.S. Marines entered Marja District in Helmand Province, Southern Afghanistan in February 2010 as part of the largest joint operation by NATO and Afghan forces to be conducted in the US-led occupation to that point. Photo by Adam Ferguson
       
     
 An Iraqi girl sits inside a spaceship ride at an amusement park in Baghdad, Iraq, on Mar. 23, 2013.
       
     
 Iraqi children play in the yard of a house next to a South Oil Company refinery on the West Qurna oil field in Basra, Iraq on Mar. 17, 2012.
       
     
 A balloon floats over a camp for internally displaced people on the outskirts of Kabul, Afghanistan, on Thursday, December 17, 2009. Photo by Adam Ferguson