Estonian soldiers, part of the Estonian Contingent to Afghanistan, lower their nation's flag for the last time in a ceremony aboard Camp Leatherneck, Helmand province, Afghanistan, May 9, 2014. The lowering of the Estonian flag formally concludes the county's participation in Operation Enduring Freedom. (Official U.S. Marine Corps photo by Lance Cpl. Darien J. Bjorndal, Marine Expeditionary Brigade Afghanistan/ Released)