Members of the Australian 107th Battery, 4th Field Regiment, walk out of an Australian C-130 Hercules at Williamson Airfield, Queensland, on March 10, 1997, for exercise Tandem Thrust '97. Tandem Thrust is a combined military training exercise involving 28,000 personnel, 252 aircraft and 43 ships, and is designed to train U.S. and Australian staffs in crisis action planning and contingency response operations. The 107th Battery is deployed for the exercise from Townsville, Australia.