How to defend Polish Orcs from torpedoes?

The submarines are expected to be working in secret. However, erstwhile they take any offensive action, they betray their position and must be prepared for a counter-attack from their opponent. Appropriate tactics and the ship’s plan aid to escape danger. However, there may always be a minute erstwhile the submarine control forces (ZOP) drop torpedoes into the water. And then the submarine will gotta effort to avoid it.