Corporal Garret J. Madson (left), a 22-year-old native of Henderson, La., and Cpl. Josh L. Loudermeck, a 30-year-old native of Taylorsville, N.C., both airframe mechanics with Marine Medium Tiltrotor Squadron 265 (Reinforced), 31st Marine Expeditionary Unit, finish taking out the engine of an AV-8B Harrier II jet inside the hangar bay here, Sept. 6. The Marines with the maintenance section of VMM-265 (Rein) work 24-hour shifts to ensure that the aircraft are constantly ready. 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.