Attack submarines are designed to seek and destroy ... With the removal of the barrel periscopes, the ship’s control room has been moved down one deck and away from the hull’s curvature ...

Inside the submarine’s control room, the noise could reach levels of 100 decibels, almost as loud as a bustling nightclub. A decisive blow to the project came in September 1980 when an incident ...

Attack submarines are designed to seek and destroy ... With the removal of the barrel periscopes, the ship’s control room has been moved down one deck and away from the hull’s curvature ...