150711-N-BX824-103 TIMOR SEA Quartermaster 3rd Class Ian Nteere, from Kansas City, Mo., uses binoculars on the signal bridge of the Ticonderoga-class guided-missile cruiser USS Antietam to observe the Royal Australian navy Afloat Support Force ship HMAS Sirius and the Royal New Zealand navy Anzac-class frigate HMNZS Te Kaha as the Antietam approaches for a fueling-at-sea in support of exercise Talisman Sabre 2015. TS 15 is a biennial exercise that provides an invaluable opportunity for nearly 30,000 U.S. and Australian defense 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.