Arriving in area V-l, about  southwest of Okinawa, on 24 March, Vigilance and her sister minesweepers swept for moored mines until nightfall when they retired. She cut loose one moored mine on the 26th, three on the 27th, and one on the 28th.
Arriving in zone V-l, near Okinawa, on 24 March, Vigilance and its accompanying vessels carried out mine sweeping operations until evening when they stopped. She released one mine on the 26th, three on the 27th, and one on the 28th.