The Los Angeles-class attack submarine USS Tucson (SSN 770) is underway ahead of the US nuclear-powered aircraft carrier USS George Washington (first row, 2nd L) and ROK Navy's Landing Platform Helicopter ship Dokdo (first row, 3rd L) during the US-ROK joint naval and air exercise in the open sea east of the Republic of Korea (ROK) July 26, 2010. [Agencies] |
