[xzins]

good article, despite the formatting.

I hadn't run across this bit of info before. thanks.

[Blueflag]

The article calls them 'huge' or 'giant' cargo ships at 30 - 35000 tonnes. For perspective, and Arleigh-Burke destroyer is about 83 - 8500 tons, a Nimitz is pushing 86,000 tons.

I'm sure the sonic signature for the screws and powerplant is in the computers of several attack boats.