But I suspect you cannot win this war like that, because fixing a cable is more expensive than sacrificing a vessel.
It's a different class of vessel than I expect is used in these types of incidents, but I recently read an article about the Coast Guard's purchase of a $125m icebreaker[1].
[1] https://www.propublica.org/article/aiviq-icebreaker-military...
Edited: grammar.