[Keflavik76]

Whatever it was, it broke the hull in half. Torpedo?

[LonePalm]

Probably a small diameter bomb. Everything else too expensive.

I would have gone with either 5 inch from a ship or 20mm from an aircraft.

SpyNavy

Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)