U.K. Prime Minister David Cameron is greeted by an Afghan National Army (ANA) soldier assigned to Afghanistan's 215th Corps aboard Camp Leatherneck, Helmand province, Afghanistan, Oct. 3, 2014. Cameron spoke with British troops and met with International Security Assistance Force and Afghan National Army leaders in charge of the region. (Official U.S. Marine Corps photo by Cpl. Darien J. Bjorndal, Marine Expeditionary Brigade Afghanistan/ Released)