I Corps and 1st Signal Regiment, Australian army, soldiers carry three 5-liter water cans, a litter, a 3-foot steel bar, two ammunition cans and a truck tire up an incline during a hill walk in the early hours on Gallipoli Barracks, Australia, July 8, prior to the start of Talisman Sabre 15. Talisman Sabre is a biennial exercise, consisting of U.S. and Australian forces with a contingent of 30,000 participants. I Corps is using TS as a certification exercise to validate as a Combined Forces Land Component Command.