Marines with Bravo Company, 1st Battalion, 5th Marine Regiment, Marine Rotational Force-Darwin conduct a helicopter insert during a live-fire exercise at Bradshaw Field Training Area during Exercise Koolendong, August 2014. The focus of Exercise Koolendong 2014 is to establish a 4th Marines and Australian Defence Force combined headquarters element, directing ground, aviation and logistics capabilities in austere conditions, employing all maneuver elements in execution of the exercise. (U.S. Marine Corps photo by Cpl. Scott Reel)

More images of Marines participating in Exercise Koolendong 2014 below - Click on a thumbnail in Gallery to see larger image