Combat controllers guide a cargo aircraft from Travis Air Force Base, Calif., into Toussaint L'Ouverture International Airport in Port-au-Prince, Haiti, Jan. 23, 2010. The Airmen are from the 23rd Special Tactics Squadron at Hurlburt Field, Fla. In the initial days of Operation Unified Response air operations were similar to the Berlin Airlift with aircraft landing every five minutes. (U.S. Air Force photo/Staff Sgt. Desiree N. Palacios)