Mine Explosion near Okinawa
While operating as offshore patrol in support of the Okinawa campaign, Halligan had the misfortune of striking a moored mine which exploded her forward magazines, blowing off the forward section of the ship including the bridge. ... Losing 150 of her 300 man crew in the mishap, order was given to abandon ship. ... The hulk of Halligan remained afloat after being abandoned and drifted aground on a small island where it was battered by surf and Japanese shore batteries.