Also depending on how many corners you're willing to cut. Half the cost but a 1% chance that it turns around and targets a friendly? Some countries would take that trade.
"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.
pfdietz|7 months ago
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.