7/25/2012 - JOINT BASE PEARL HARBOR-HICKAM, Hawaii - U.S. Air Force Senior Airman Chad Prejean, an aircraft armament system specialist with the 917th Aircraft Maintenance Squadron at Barksdale Air Force Base, La., checks the A-10 Thunderbolt II munitions prior to a flight during the Rim of the Pacific exercise held June 29 through Aug. 3, 2012. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC, in and around the Hawaiian Islands. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2012 is the 23rd exercise in the series that began in 1971. (U.S. Air Force photo/Master Sgt. Mary Hinson)

7/25/2012 - JOINT BASE PEARL HARBOR-HICKAM, Hawaii - U.S. Air Force Tech. Sgt. Kevin Krek of the 924th Maintenance Squadron at Davis-Monthan Air Force Base, Ariz., looks over the wings during a pre-flight maintenance check of an A-10 Thunderbolt II during the Rim of the Pacific exercise held June 29 through Aug. 3, 2012. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC, in and around the Hawaiian Islands. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2012 is the 23rd exercise in the series that began in 1971. (U.S. Air Force photo/Master Sgt. Mary Hinson)

7/25/2012 - JOINT BASE PEARL HARBOR-HICKAM, Hawaii - U.S. Air Force Maj. Maury Kent communicates with the crew chief of an A-10 Thunderbolt II prior taking part in a mission as part of the Rim of the Pacific military exercise July 17, 2012, at Joint Base Pearl Harbor-Hickam, Hawaii. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC from June 29 to Aug. 3, in and around the Hawaiian Islands. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2012 is the 23rd exercise in the series that began in 1971. (U.S. Air Force photo/Staff Sgt. Ted Daigle)

7/25/2012 - JOINT BASE PEARL HARBOR-HICKAM, Hawaii - U.S. Air Force Tech. Sgt. Keith Rowlan, a crew chief with the 476th Maintenance Squadron at Moody Air Force Base, Ga., cleans the windows of the A-10 Thunderbolt II prior to a flight during the Rim of the Pacific exercise July 17, 2012. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC from June 29 to Aug. 3, in and around the Hawaiian Islands. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2012 is the 23rd exercise in the series that began in 1971. (U.S. Air Force photo by Master Sgt. Mary Hinson)

7/25/2012 - JOINT BASE PEARL HARBOR-HICKAM, Hawaii - A-10 Thunderbolt IIs from the 47th Fighter Squadron, Barksdale Air Force Base, La., are readied for a mission as part of the Rim of the Pacific military exercise July 17, 2012, at Joint Base Pearl Harbor-Hickam, Hawaii. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC from June 29 to Aug. 3, in and around the Hawaiian Islands. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2012 is the 23rd exercise in the series that began in 1971. (U.S. Air Force Photo by Staff Sgt. Ted Daigle)

7/25/2012 - JOINT BASE PEARL HARBOR-HICKAM, Hawaii - U.S. Air Force Maj. Maury Kent, 47th Fighter Squadron pilot, conducts pre-flight checks of an A-10 Thunderbolt II during the Rim of the Pacific military exercise July 17, 2012, at Joint Base Pearl Harbor-Hickam, Hawaii. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC from June 29 to Aug. 3, in and around the Hawaiian Islands. The world's largest international maritime exercise, RIMPAC provides a unique training opportunity that helps participants foster and sustain the cooperative relationships that are critical to ensuring the safety of sea lanes and security on the world's oceans. RIMPAC 2012 is the 23rd exercise in the series that began in 1971. (U.S. Air Force photo by Staff Sgt. Ted Daigle)