150717-N-BX824-085 TIMOR SEA Sailors remove chocks and chains from an MH-60S Seahawk from the "Golden Falcons" of Helicopter Sea Combat Squadron 12 on the flight deck of the Ticonderoga-class missile-guided cruiser USS Antietam during Talisman Sabre 2015. TS 15 is a biennial exercise that provides an invaluable opportunity for nearly 30,000 U.S. and Australian Defence Forces to conduct operations in a combined, joint and interagency environment that will increase both countries' ability to plan and execute a full range of operations from combat missions to humanitarian assistance efforts.