noun
anti-ballistic missile; ABM
Military/defense term for a missile designed to intercept and destroy ballistic missiles.
日本は弾道弾迎撃ミサイルの配備を進めている。
Japan is proceeding with the deployment of anti-ballistic missiles.
A broader term for any interceptor missile; 弾道弾迎撃ミサイル specifically targets ballistic missiles.
Compound of 弾道弾 (ballistic missile) + 迎撃 (interception) + ミサイル (missile).