Sink a tug boat?

[jimmbbo]

Originally Posted by DuncanS

I was in Ishinomaki harbor and sank 2 medium tankers and a gunship and was on my way back out when I came across the tug boat. It's already pretty obvious I'm in the area and there doesn't' seem to be anything nastier nearby at the moment so I probably have time. I wasn't sure if it was considered un-sportsman like to sink a target that had no real value :P.

Sounds safe... I reckon the only way to find out would be to save the game, sink one then check the results