A U.S. Navy MH-60S Seahawk helicopter, center, assigned to Helicopter Sea Combat Squadron (HSC) 25 prepares to drop supplies over Tacloban airfield in Tacloban, Leyte province, Philippines, Nov. 14, 2013, in support of Operation Damayan. U.S. military forces were deployed to the Philippines to support humanitarian efforts in response to Typhoon Haiyan.