Afghan air force airmen board a C-208B at the Kabul, Afghanistan, International Airport, Nov. 1, 2011. Two operational decrees implementing procedures for the high-priority missions of evacuation of wounded personnel (CASEVAC) and the dignified, culturally-appropriate transfer of fallen members of Afghan National Security Forces, were signed at Kabul International Airport, Afghanistan, on Jan. 23, 2013. (U.S. Air Force photo/Senior Airman Amber Williams)