Reclassified AMS-48 and named Lapwing 1 September 1947, she continued operations in the Reserve Training program. Lapwing recommissioned 12 February 1951 at Orange, Texas. Arriving Charleston, South Carolina, 19 March, the minesweeper engaged in operations along the U.S. East Coast, developing new techniques in mine warfare until 1957. During this period she was reclassified MSC(O)-48 on 7 February 1955.
