150707-N-TW634-121 DARWIN, Australia (July 7, 2015) Landing Craft Utility (LCU) 1631 approaches the amphibious transport dock ship USS Green Bay (LPD 20) to assist in offloading 31st Marine Expeditionary Unit equipment in preparation for Talisman Sabre 2015. Talisman Sabre is a bilateral exercise intended to train Australian and U.S. forces in planning and conducting combined task force operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Derek A. Harkins/Released)