noun
tactical nuclear weapon
Military term for a nuclear weapon designed for use on the battlefield, as opposed to strategic nuclear weapons.
戦術核兵器の使用は国際的な議論を呼んでいる。
The use of tactical nuclear weapons has sparked international debate.
戦略核兵器 refers to strategic nuclear weapons intended for large-scale, long-range targets, while 戦術核兵器 are smaller-yield weapons for tactical battlefield use.
Compound of 戦術 (tactics) + 核 (nuclear) + 兵器 (weapon).