After replenishment, she served as harbor control vessel at Incheon, Korea. Two days after Christmas, she suddenly received orders to head for Sasebo, where MineRon 1 was to be regrouped. Arriving at the Japanese port on 27 December, she departed on 30 December 1950, in company with and for minesweeping assignments on the east coast of Korea. There, she spent close to three weeks engaged in clearance sweeps so that support ships could take fire-support stations to assist ground forces ashore.