USS PC-457 was a submarine chaser of the United States Navy before World War II.

PC-457 was built in 1939 as the yacht Trouper by Robert Jacob Shipyard of City Island, New York for C. A.

Tilt of Chicago, IL, the president of the Diamond T Motor Company.

On 14 August 1941 she was sunk in a collision near San Juan, Puerto Rico with freighter Norluna ( United States).

This article about a specific ship or boat of the United States Armed Forces is a stub.