Royal Australian Air Force Sgt. Paul Cox, No. 37 Squadron C-130J loadmaster, directs a U.S. Air Force Humvee onto a C-130J April 22, 2016, at an improvised landing zone on Fort Polk, La. Australian forces worked alongside coalition forces from the U.S., Sweden, New Zealand and Australia during the Green Flag Little Rock 16-06 exercise. (U.S. Air Force photo/ Senior Airman Harry Brexel)