U.S. Marine Corps Cpl John Ngo, Team Leader with 2nd Squad, 1st Platoon, Echo Company, 2nd Battalion 4th Marines, Battalion Landing Team, assigned to the 31st Marine Expeditionary Unit(MEU), provides security during a live fire training exercise for Exercise Koolendong 13 at Bradshaw Field Training Area, Northern Territory, Australia on September 2nd, 2013. The 31st MEU is currently conducting Exercise Koolendong 13 to demonstrate its ability to move a Battalion sized force along with allied counterparts miles inland while independently sustaining itself for any type of mission that might take place as America's force of choice in the Asia-Pacific Region. (USMC photo by LCpl T.S. Dietrich, 31st MEU Combat Camera)