 "Oberrender" departed Okinawa to escort attack transports returning to Saipan on 5 April, returning to Okinawa after a stopover at Ulithi on 17 April.Back in the Okinawa vicinity, she and fellow destroyer escort "" operated as an anti-submarine hunter-killer group for the next several days, on one occasion firing her Hedgehog (weapon) at several contacts that turned out to be schools of fish.After returning to her patrol station separately from "England" in late April, "Oberrender" briefly returned to the Kerama Islands for resupply on 30 April, then resumed her station later that day.