American 21-inch torpedo

There have been a number of 21 inch torpedoes in service with the United States. These have been used on ships and submarines of the US Navy. American "21 inch" torpedoes are actually 21 inch (533 mm) in diameter.

Ship classes that carried 21 inch torpedoes include:


 * Allen M. Sumner-class destroyers
 * Bagley-class destroyers
 * Balao-class submarines
 * Barbel-class submarines
 * Barracuda-class submarines
 * Benham-class destroyers
 * Benjamin Franklin-class submarines
 * Benson-class destroyers
 * Cachalot-class submarines
 * Caldwell-class destroyers
 * Cassin-class destroyers
 * Chester-class cruisers
 * Clemson-class destroyers
 * Colorado-class battleships
 * Connecticut-class battleships
 * Dealey-class destroyer escorts
 * Farragut-class destroyers
 * Forrest Sherman-class destroyers
 * Fletcher-class destroyers
 * Gato-class submarines
 * Gearing-class destroyers
 * Gleaves-class destroyers
 * Grayback-class submarines
 * Gridley-class destroyers
 * John C. Butler-class destroyer escorts
 * Lexington-class battlecruisers
 * Los Angeles-class submarines
 * Mahan-class destroyers
 * Mitscher-class destroyers
 * O'Brien-class destroyers
 * Ohio-class submarines
 * Omaha-class cruisers
 * Permit-class submarines
 * Porter-class destroyers
 * PT boats
 * R-class submarines
 * Rudderow-class destroyer escorts
 * S-class submarines
 * Sailfish-class submarines
 * Sampson-class destroyers
 * Sargo-class submarines
 * Sims-class destroyers
 * Skate-class submarines
 * Skipjack-class submarines
 * Somers-class destroyers
 * South Dakota-class battleships
 * Sturgeon-class submarines
 * T-1-class submarines
 * Tambor-class submarines
 * Tang-class submarines
 * Tench-class submarines
 * Tennessee-class cruisers
 * Tucker-class destroyers
 * V-boat submarines
 * Virginia-class battleships
 * Virginia-class submarines
 * Wickes-class destroyers