In the fall of 2003, the U.S. nuclear submarine USS Hartford ran aground off Sardinia's northern coast, causing severe damage to its rudders, sonar, and electronic equipment. The U.S. Navy kept the incident secret, but it was leaked by crew members' families.
Mammoet awarded key Pearl Harbor dry dock project contract marinelog.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from marinelog.com Daily Mail and Mail on Sunday newspapers.
In the Fall of 2002, a Norwegian tanker, the Norman Lady, collided with an unidentified object in the Mediterranean, which was later identified as the American nuclear submarine USS Oklahoma City. Fortunately, no injuries or significant environmental damage occurred.
The USS Helena, a nuclear-powered Los Angeles-class submarine, arrived at US naval base in Guantanamo Bay, Cuba, on Thursday as part of a scheduled port visit, US Southern Command said.