U.S. Navy Submarine Day

This Monday, April 11, 2022 marks the 122nd anniversary (1900) of the U.S. Navy's first commissioned submarine, the USS Holland, that was acquired by the United States Navy. The Holland was not the first Navy sub, however. That honor goes to the USS Alligator which was the first submarine ordered and built by the Navy, although it was never commissioned. The Alligator, pictured on the right, was built in 1862, and sank in 1863.

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USS Holland (SS-1)