"Bostwick" celebrated V-E Day in New York and then steamed to New London, England and later to Quonset Point, Rhode Island for training and to planeguard for pilot qualifications. In mid-July, the destroyer escort returned to New York to participate in the three-day demonstration cruise for civilian observers in the Navy's Industrial Incentive Program. "Bostwick" returned to planeguard duty for and , but a scheduled availability in the New York Navy Yard from 24 September – 15 October ended this duty. Late in October, "Bostwick" was on hand in New York for Navy Day activities.