U.S. Marines and Australian service members conduct a rehearsal of concept walkthrough for an amphibious assault on the USS Ashland (LSD 48) July 10, 2015. The Marines with Echo Company, Battalion Landing Team 2nd Battalion, 5th Marines, 31st Marine Expeditionary Unit, and Australians with Combat Team Bravo, 2nd Battalion, Royal Australian Regiment, will conduct the amphibious assault as part of Talisman Sabre 2015. The 31st MEU is taking part in the exercise while deployed on its regularly scheduled Fall Patrol of the Asia-Pacific region. (U.S. Marine Corps photo by Cpl. Ryan C. Mains/Released)