The remains were discovered in March on the Pacific atoll of Tarawa ... As the US invasion began, American boats got stuck on a reef at low tide and were forced to wade to shore under heavy ...

a spillway and a concrete-lined channel to supply water to a PT (patrol torpedo) boat training base on Narragansett Bay.

When you think of Naval vessels, you're likely to conjure up gargantuan aircraft carriers and submarines. Chances are you would never think of a PT boat, and that's if you even know what one is.