"USS PC-817"@en . "--01-08"^^ . . . . . . . "USS PC-817 was a PC-461-class submarine chaser built for the United States Navy during World War II. She was later renamed Welch (PC-817) but never saw active service under that name."@en . . . . . . . . . . . "USS PC-817 was a PC-461-class submarine chaser built for the United States Navy during World War II. She was later renamed Welch (PC-817) but never saw active service under that name."@en .