Originally Posted by
KenV
If there's enough time for the sub to escape, there's enough time for the defenders to find and eliminate the torpedo.
If they even know it’s arrived! And what time-line would be needed to discover, locate, comprehend threat, assemble EOD teams, work out how to get into it, unravel fuses and anti-handling devices .... the sub would be home in Vladivostok by then!!