Marines refuel an MV-22B Osprey during an aviation-delivered ground refueling exercise on Ie Shima, April 15. The exercise allowed Marines to practice assembling and operating a mobile forward refueling point. The Marines are part of Marine Aerial Refueler Transport Squadron 152, Marine Aircraft Group 36, 1st Marine Aircraft Wing, III Marine Expeditionary Force. The Osprey is assigned to Marine Medium Tiltrotor Squadron 265, MAG-36.