Nuclear Fission Explosive
From Space Station 14 Wiki
The Nuclear Fission Explosive device is used in conjunction with the Nuclear Authentication Disk explode the station. Exploding the nuke will end the round.
You need both the nuke disk and the nuke codes in order to arm and set the device. The Nuclear fission explosive is located in the Vault.
Once you insert the disk you will be allowed to ancho the device to and from the floor. You will also be allowed to insert the nuke codes. Once the proper nuke codes are submitted you will be able to arm the device. Once armed, a station wide alert will play.