Capt. Lucas Karnes, KC-135 Stratotanker aircraft commander from the 909th Air Refueling Squadron at Kadena Air Base, Okinawa, returns to Darwin, Australia July 15 after an air-to-air refueling mission during exercise Talisman Saber 2009. Talisman Saber 2009 is a bilateral command post and field-training exercise between U.S. and Australian forces that concluded July 25. The two-week exercise, held jointly by U.S. Pacific Command and the Australian Defence Force, focused on crisis-action planning and execution of contingency response operations. (Australian Defence Force courtesy photo)