I visited the USS Nautilus, the world's first nuclear-powered submarine. Take a look inside.
The USS Nautilus was the world's first nuclear-powered submarine. It participated in scientific and military operations ...
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I toured the Becuna, a WWII warship and the only submarine of its kind left in the world. Take a look inside.
After serving in World War II and as a training ship afterward ... but his official title was commanding officer. "In the US Navy, 'captain' is a rank, not a position," Williams said.