The Mark 13 torpedo was the U.S. Navy's most common aerial torpedo of World War II. It was the first American torpedo to be originally designed for launching from aircraft only. They were also used on
A Mark 13B torpedo being loaded onto a Grumman TBF Avenger aboard the aircraft carrier USS Wasp in 1944; the torpedo is fitted with wooden breakaway nose and tail protection which is shed upon hitting the water
Mark 13 torpedo's general arrangement, as published in a service manual
A Douglas TBD Devastator making a practice drop with a Mark 13 torpedo, October 20, 1941
Mark 13 Model 6 with shroud ring
The Mark 14 torpedo was the United States Navy's standard submarine-launched anti-ship torpedo of World War II. This weapon was plagued with many problems which crippled its performance early in the w
Mark 13 torpedo
…reach a speed of 33.5 knots (62.0 km/h; 38.6 mph) for up to 6,300 yards (5,800 m). The Mark 13 ran 12.8 knots (23.7 km/h; 14.7 mph) slower than the Mark 14 torpedo, a characteristic which, along with a lesser mass, lesser negative buoyancy and the lack of a magnetic influence feature in its Mark IV exploder, meant…
Mark 14 torpedo side view and interior mechanisms, as published in a service manual
A Mark 14 torpedo on display at Fisherman's Wharf in San Francisco
A Mark 14 torpedo on display in Cleveland, near USS Cod
The only live fire test of the magnetic influence exploder before the war occurred in 1926. In this picture of the first shot, the Mark 10 torpedo with the experimental exploder ran underneath the target without exploding. The second test shot exploded under the target submarine and sank it. Although the Navy conducted other tests, those tests were nondestructive: the torpedoes would not be damaged by the tests.