Extremely cool. The Soviets didn't even know where their sub was but we knew because of all of our hydrophones. My father spent time as a Marine stationed in I

Extremely cool. The Soviets didn't even know where their sub was but we knew because of all of our hydrophones. My father spent time as a Marine stationed in Iceland to guard parts of SOSUS. They were heavily briefed and trained for encountering Spetsnaz.