History of the Depth Charge

Allied Destroyer Dropping Twin Depth Charges

THE FIRST WAR PATROL

USS PAMPANITO (SS-383)

A submarine's trials with depth charges during a tour of duty.

USS Pampanito - DEPTH CHARGE RANGE ESTIMATOR (DCRE)

The depth charge range estimator (DCRE) is a device which provides the submarine conning officer with an approximate estimation of the range of depth charge explosions in his vicinity based on the intensity of the sound received.

USS Pampanito - DEPTH CHARGE DIRECTION INDICATOR (DCDI)

The depth charge direction indicator (DCDI) is a sonar device used to indicate to a submarine conning officer the general direction of depth charge explosions occurring in his vicinity.

Depth Charge Direction Indicator

Depth Charge Direction Indicator and its line filter from F. W. Sickles Co. Coast Guardsmen on World War II convoy patrol watch the explosion of a depth charge.