Australian Army soldiers, assigned to 2nd Battalion, Royal Australian Regiment, and U.S. Marines, assigned to Battalion Landing Team, 2nd Battalion, 5th Marines, work together during an amphibious assault exercise during Talisman Sabre 2015 at Fog Bay, Australia, July 11, 2015. Talisman Sabre is a biennial exercise that provides an invaluable opportunity for nearly 30,000 U.S. and Australian Defence Force personnel to conduct operations in a combined, joint and interagency environment that will increase both countries’ ability to plan and execute a full range of operations from combat missions to humanitarian assistance efforts. - Australian Army soldiers, assigned to 2nd Battalion, Royal Australian Regiment, and U.S. Marines, assigned to Battalion Landing Team, 2nd Battalion, 5th Marines, work together during an amphibious assault exercise during Talisman Sabre 2015 at Fog Bay, Australia, July 11, 2015. Talisman Sabre is a biennial exercise that provides an invaluable opportunity for nearly 30,000 U.S. and Australian Defence Force personnel to conduct operations in a combined, joint and interagency environment that will increase both countries’ ability to plan and execute a full range of operations from combat missions to humanitarian assistance efforts.

An international Corps of Marines from Sweden, Finland, and the U.K. conduct amphibious assaults on a beachhead in Ravlunda, Sweden, for local media outlets during BALTOPS 2015, June 13. The amphibious forces are part of 17 NATO Allies and partner nations that are integrated in air, land, and sea operations to improve their combined-force capability to work together and to respond to threats in the Baltic region. - An international Corps of Marines from Sweden, Finland, and the U.K. conduct amphibious assaults on a beachhead in Ravlunda, Sweden, for local media outlets during BALTOPS 2015, June 13. The amphibious forces are part of 17 NATO Allies and partner nations that are integrated in air, land, and sea operations to improve their combined-force capability to work together and to respond to threats in the Baltic region.

Marines with 2nd Battalion, 2nd Marine Regiment, prepare to begin an assault on a simulated enemy base during movement to contact training aboard Camp Lejeune, N.C., April 9, 2015. Once the assault was completed, the Marines were required to prepare a defense in case of a counterattack. - Marines with 2nd Battalion, 2nd Marine Regiment, prepare to begin an assault on a simulated enemy base during movement to contact training aboard Camp Lejeune, N.C., April 9, 2015. Once the assault was completed, the Marines were required to prepare a defense in case of a counterattack.