【下位】 an area in hostile territory that has been captured and is held awaiting further troops and supplies; "an attempt to secure a bridgehead behind enemy lines"; "the only foothold left for British troops in Europe was Gibraltar" 一層の軍と供給を待ちながら捕捉されて、保持される敵地の領域。
日/英 »
【下位】 a combat zone where military operations are coordinated (especially a designated area in international waters where the rights of neutrals are not respected by nations at war) 軍事作戦が連携している作戦地帯（特に中立の権利が交戦している国によって尊重されていない公海の指定地域）。
日/英 »
