Two U.S. Navy Boeing F/A-18F "Super Hornet"s assigned to Strike Fighter Squadron 102 (VFA-102) "Diamondbacks" complete a refueling over the Timor Sea from an Airbus KC-30A of No. 33 Squadron Royal Australian Air Force, during exercise "Talisman Sabre 2015". "Talisman Sabre" 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.