The deadliest attack submarines in the U.S. Navy thrive in the darkness of the ocean's depths, but every once in a while they need to rise to periscope depth so the crew can get a lay of the land.

PEARL HARBOR, Hawaii, March 9 -- The Navy court investigating the USS Greeneville's fatal wreck with a Japanese trawler today saw how difficult it may have been for officers aboard the submarine to ...

MUSKEGON, MI -- Sitting in the Muskegon Lake channel is an 82-year-old piece of World War II history. And you can sleep on it. The USS Silversides is one of the most successful submarines of World War ...