The Mark 13 torpedo was the U.S. Navy’s most common aerial torpedo of World War II. It was designed with unusually squat dimensions for its type: diameter was 22.4 inches (570 mm) and length 13 feet 5 inches (4.09 m). In the water, the Mark 13 could reach a speed of 33.5 knots (62.0 km/h; 38.6 mph) for up to 6,300 [...]