A U.S. Soldier, left, assigned to U.S. Forces Afghanistan instructs members of the Afghan National Army and staff members of the Afghan National Military Hospital during mass casualty evacuation training Jan. 21, 2014, at New Kabul Compound in Kabul, Afghanistan. The scenario was part of the medical, train, advise and assist mission that was designed to ensure that Afghan forces were fully prepared to assume their nations security mission after the scheduled withdrawal of U.S. forces at the end of 2014.