. . . "USS Valiant (PYc-51), originally USS PC-509, was a United States Navy patrol vessel in commission from 1941 to 1944."@en . . . "USS Valiant (PYc-51), originally USS PC-509, was a United States Navy patrol vessel in commission from 1941 to 1944."@en . . . "--10-07"^^ . . . "USS PC-509 around 1943, the year in which she was renamed USS Valiant ."@en . . "USS Valiant (PYc-51)"@en . . "300"^^ . . . . .