U.S. Marine Cpl. Kelley R. Hawk, a mortarman from Emmett,

U.S. Marine Cpl. Kelley R. Hawk, a mortarman from Emmett, Idaho, with 2nd Battalion, 7th Marine Regiment, the 31st Marine Expeditionary Unit's battalion landing team, reads off adjustments for the M252 81 mm Mortar System during Talisman Sabre 2011 on Townshend Island, Australia, July 12, 2011. Talisman Sabre promotes the alliance with Australia, which is one of the United States' most important defense relationships and a central pillar for national security strategy, based on shared values and a common commitment to peace and security.