U.S. Marine Corps MV-22 Osprey tiltrotor aircraft attached to Marine Medium Tiltrotor Squadron (VMM) 262 and Marine Medium Tiltrotor Squadron (VMM) 265 wait to refuel during Operation Damayan in Guiuan, Philippines, Nov. 16, 2013. U.S. military forces were deployed to the Philippines to support humanitarian efforts in response to Typhoon Haiyan.