noun
National Missile Defense; NMD
Refers specifically to the US ground-based midcourse missile defense system. Often used in news and defense contexts.
アメリカは本土ミサイル防衛の配備を進めている。
The United States is proceeding with the deployment of National Missile Defense.
A broader term for missile defense in general, not limited to the US homeland system.
Compound of 本土 (mainland, homeland), ミサイル (missile), and 防衛 (defense), directly translating the English term 'National Missile Defense'.