150708-N-EH855-295 TIMOR SEA Aviation Structural Mechanic 2nd Class Frank McMahon, from Tucson, Ariz., performs maintenance in the cockpit of an F/A-18E Super Hornet from the "Dambusters" of Strike Fighter Squadron 195 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 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.