180529-M-HU743-941 DARWIN, Australia (May 29, 2018) U.S. Marines from the Marine Rotational Force-Darwin unload an MV-22 Osprey tilt-rotor aircraft at East Arm Wharf. The aircraft are assigned to Marine Medium Tilt-Rotor Squadron (VMM) 268, based at Marine Corps Air Station Kaneohe Bay, Hawaii, and will be hosted at Royal Australian Air Force Base in Darwin for the duration of the rotation. This year's Aviation Combat Element comprises eight MV-22 Osprey tilt-rotor aircraft. (U.S. Marine Corps photo by Sgt. Kayla D. Rivera/Released)