Machinists Mate 3rd Class Anthony Pollins stands guard on the sail of the Los Angeles-class submarine USS Greeneville (SSN 772)

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CHINHAE, Republic of Korea (Sept. 21, 2010) Machinists Mate 3rd Class Anthony Pollins stands guard on the sail of the Los Angeles-class submarine USS Greeneville (SSN 772) during a transit toward the Republic of Korea. Greeneville is the 50th Los Angeles-class fast-attack submarine and is conducting a scheduled deployment to the U.S. 7th Fleet area of responsibility in the western Pacific Ocean. (U.S. Navy photo by Electrician's Mate 2nd Class Noah DeLaughter/Released)

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 CHINHAE, Republic of Korea (Sept. 21, 2010) Machinists Mate 3rd Class Anthony Pollins stands guard on the sail of the Los Angeles-class submarine USS Greeneville (SSN 772) during a transit toward the Republic of Korea. Greeneville is the 50th Los Angeles-class fast-attack submarine and is conducting a scheduled deployment to the U.S. 7th Fleet area of responsibility in the western Pacific Ocean. (U.S. Navy photo by Electrician's Mate 2nd Class Noah DeLaughter/Released)