A U.S. Marine MV-22 Osprey prepares to land while a U.S. Navy HH-60 helicopter takes off on Jan. 27 at the Toussaint Louverture International Airport, Port-au-Prince, Haiti, on Jan. 27 during Operation Unified Response. Department of Defense assets have been deployed to assist in the Haiti relief effort following a magnitude 7 earthquake that hit the city on Jan. 12.