Bulk fuel specialists with Marine Medium Tiltrotor Squadron 265 (Reinforced), 31st Marine Expeditionary Unit, re-fuel an MV-22 Osprey during flight operations in support of Exercise Koolendong 13 here, Sept. 3. VMM-265 (REIN) is supporting a battalion-sized element from an expeditionary airfield more than 300 miles inland from the port of Darwin for the exercise. Koolendong demonstrates the operational reach of the 31st MEU. Also participating in the exercise is the Marine Rotational Force – Darwin and soldiers of the 5th Royal Australian Regiment. The 31st MEU brings what it needs to sustain itself to accomplish the mission or to pave the way for follow-on forces. Marines and Sailors with Company E., Battalion Landing Team 2nd Battalion, 4th Marines, 31st Marine Expeditionary Unit, offload from an MV-22 Osprey with Marine Medium Tiltrotor Squadron 265 (Reinforced), 31st MEU, to participate in Exercise Koolendong 13 here, Aug. 30. The 31st MEU is moving a battalion-sized force more than 300 miles inland from the Port of Darwin to conduct a live-fire training exercise. Also participating in the exercise is the Marine Rotational Force – Darwin and soldiers of the 5th Royal Australian Regiment. The 31st MEU brings what it needs to sustain itself to accomplish the mission or to pave the way for follow-on forces. The 31st MEU is the Marine Corps' force in readiness for the Asia-Pacific region and the only continuously forward-deployed MEU.