美国海军部署核动力航空母舰尼米兹号前往南美，进行退役前的最后一次任务

(July 18, 2012) - The aircraft carrier USS Nimitz (CVN 68) moves into formation for a photo exercise during the Great Green Fleet Demonstration as part of Rim of the Pacific (RIMPAC) 2012. Nimitz is currently underway participating in RIMPAC. Twenty-two nations, more than 40 ships and submarines, more than 200 aircraft and 25,000 personnel are participating in RIMPAC exercise from Jun. 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. Navy photo by Mass Communication Specialist 2nd Class Eva-Marie Ramsaran/RELEASED)