150715-N-EH855-431 TIMOR SEA Aviation Structural Mechanic 3rd Class Dominick Rosario, from Cayey, Puerto Rico, center-right, and Aviation Structural Mechanic 2nd Class Travis Davis, from Savannah, Ga., perform maintenance on an MH-60S Seahawk from the "Golden Falcons" of Helicopter Sea Combat Squadron 12 on the flight deck of the Nimitz-class aircraft carrier USS George Washington as part of Talisman Sabre 2015. Talisman Sabre is a biennial exercise that provides an invaluable opportunity for nearly 30,000 U.S. and Australian Defence Force personnel 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.