. >> i'm dennis harkins. our mother passed in 1990. regarding our uncle harold who was lost in the south pacific during world war ii. >> dennis. i'm jamie. >> pleased to meet you. >> what is this place? >> this has to do with our inheritance. >> these ships. >> mm-hmm. yes. >> let's check it out. the battleship cove museum here in fall river has two of the last remaining pt boats from world war ii. dennis' uncle harold, who served on a pt boat, joined the navy in november 1941. >> he was the impish, typical younger brother. i think it was probably exciting for him. >> then, a month later, pearl harbor. [ explosions ] with the u.s. at war, harold is shipped to the south pacific. he puts in a request to join a pt boat crew. "pt" is navy lingo for "patrol torpedo." in addition to torpedos, the 80-foot boats were armed with twin machine-gun turrets, including one just to the right of the captain's helm. >> they could lay low in the water, wait for the enemy ships to pass, and then attack them with the torpedos. >> the museum's pt boat curat