人ひと質じち救きゅう出しゅつ作さく戦せん

noun

hostage rescue operation

A planned military or police operation to free hostages. Often used in news reports and action contexts.

• 警けい察さつは人ひと質じち救きゅう出しゅつ作さく戦せんを開かい始しした。

  The police launched a hostage rescue operation.