Royal Australian Army soldiers with Delta Company,

Royal Australian Army soldiers with Delta Company, 6th Battalion, Royal Australian Regiment, load into a S-70 A9 Black Hawk helicopter as part of entry and exit drills before an upcoming training event before an upcoming training event during Talisman Sabre 2011 in The Caves, July 18, 2011. Talisman Sabre promotes the alliance with Australia, which is one 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.