"PC-1145" completed shakedown training in the Gulf of Mexico on 11 June and reported for duty to the Commander, Gulf Sea Frontier.For the next year, the submarine chaser plied the waters of the Gulf of Mexico and the Atlantic seaboard conducting anti-submarine patrols and escorting coastwise convoys, In the performance of those duties, the little warship ranged as far north as New York City and as far south as the Panama Canal Zone.