Members from the Australian Army 2nd Commando Regiment fast rope from an S-70A-9 Black Hawk from the Australian Army 171st Aviation Squadron during exercise Talisman Sabre in Northern Territory, Australia, July 3, 2015. Exercises such as Talisman Sabre offer a uniquely complex and challenging multinational environment for our forces to hone their skills. (U.S. Air Force photo by Senior Airman Stephen G. Eigel)