Shipyard workers examine the USS Greeneville (SSN 772) in Dry Dock #1 at the Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility, Pearl Harbor, Hawaii, on Feb. 21, 2001. The Los Angeles class attack submarine is dry-docked to assess the damage and perform necessary repairs following a Feb. 9 collision at sea with the Japanese fishing vessel Ehime Maru off the coast of Honolulu, Hawaii.