[deskamess]

> it would have been very likely to be registered by at least the controlling ship due to the noise

Why would they be listening? They would be looking at a device that was communicating via SMS or some radar screen at best.

> and that the banging heard afterwards was the implosion

Every 30 min?

[ergvgdvgrd]

Sounds fun. If I was driving a nuclear sub in the Atlantic sea, I'd definitely find an excuse to pop over and play with the kids splashing in my pond.