Like the Apex boats in Operation Dragoon. https://www.oldsaltblog.com/2024/08/apex-boats-the-unlikely-and-dangerous-naval-drones-of-world-war-iis-operation-dra

Like the Apex boats in Operation Dragoon. https://www.oldsaltblog.com/2024/08/apex-boats-the-unlikely-and-dangerous-naval-drones-of-world-war-iis-operation-dragoon/ https://www.oldsaltblog.com/2024/08/apex-boats-the-unlikely-... "On the landing beach at Baie de Pampelonne, most Apex boats exploded against the obstacles. Nevertheless, one ran aground, and one sank. A third reversed course and turned back out to sea before exploding near Sub-chaser #1029 and severely damaging it." One could argue all those Mk 14 torpedoes that malfunctioned and went onto circular paths also counted.