Mk 48 heavy torpedo

The Mk 48 is a heavy, wire-guided, long-range, anti-submarine and anti-surface ship torpedo. It is the principal weapon of U.S. attack submarines, being a successor to the Mk 37. The Mk 48 is generally considered the most advanced torpedo in Western naval inventories.

The Mk 48 is divided into five component groups. The nose group contains the sonar and homing equipment; next are the warhead, control and fuel tank groups. The control group contains gyro, command and power units,...