Suitcase nuclear device

A suitcase nuclear device or suitcase nuke are terms used to describe various types of nuclear devices developed by the former Soviet Union. They, in their various incarnations, are just what they sound like: small yeild nuclear devices placed inside suitcases. They are specifically designed to be concealable and mobile.

Day 6
On Day 6 9:00am-10:00am, it was revealed that 5 of these suitcase nukes were in the hands of the enemy. Just prior to 10:00am, CTU raided a location at 351 Old Mill Road in Valencia. During the raid, one of the terrorists detonated the device.