16 Ultimatum ultimatum

No fighting in the war room No child's play in the staff room / No fighting in the war room / No fighting in the briefing room
The assault team descends through the unclosed missile silo to the underground portion of the base where the control center is located, and within the 15-minute time limit finally penetrates the control center, activating the nuclear self-destruct mechanism while avoiding the risk of other nuclear bombs being launched.
After the mission is complete, the assault team must retreat at once!