After the submarine has been detected and its exact position located. It is attacked with antisubmarine warfare (ASW). These are:
(1) Depth charge: The depth charge is a large explosive charge fitted in barrel like cylinders and designated at a predetermined depth.
(2) Torpedo: torpedo is an underwater weapon fired from the ship or submarine to hit, an enemy ship or submarine. Main components of the torpedo body are engine, depth keeping mechanism, gyroscope and tail section.