A Cold War-era submarine, a Victorian era ferryboat, a 154-year-old sailing ship, and more are available to tour at the San Diego Maritime Museum. Here's what they look like up close.

It was only after the invention of the diesel engine and electric battery technology in the late 1800s that submarines could submerge and navigate underwater with any kind of reliability.

Lake competed with John Philip Holland to build the first combustible engine submarines for the U.S. Navy in the late-1800s. The New Jersey native spent much of his life right on the Milford shore.

documents changes in submarine design from the 1800s to after WWII using diagrams, actual movie footage, and interviews with surviving German submariners. provides accounts of what life was like ...

The contract to build the submarine, destined to be named the USS New Hampshire, was awarded to Electric Boat, a division of General Dynamics Corporation, in Groton, Conn., on Aug. 14, 2003.