noun
aerial torpedo
Military term for a torpedo launched from an aircraft, typically against ships.
第二次世界大戦では、空中魚雷が艦船攻撃に使われた。
In World War II, aerial torpedoes were used to attack ships.
魚雷 is a general torpedo, while 空中魚雷 specifically refers to an air-launched torpedo.
Compound of 空中 (kūchū, 'aerial') and 魚雷 (gyorai, 'torpedo').