Press the C button to see controls Press the W button to view the warhead. Do not stall you have about 2 minuets to do the next button or switch Steps to activate warhead. Step one: when the computer updates enter the code and wait till it finishes booting up then press the computer till a switch starts to blink step two: flip the 2 switches and activate the warhead step three: fuel the warhead by switching pumps 1 2 and 3 then press the lever to start fueling (it will take about 180 seconds) step four: connect warhead to Grid and charge warhead. will take 360 seconds step five: turn the Director's key (red key) and wait till announcement is finished (DONT SPAM IT! WILL BEAKE!) step six: press the button to next to the director key to engage the warhead press last button to start warhead detonation systems. (If you go to the warhead view you will see the top rise up) step seven: turn the warhead key (grey key) and press the red button to begin the warhead detonation.
Credit to the makers of Classified Part Underground Facility and High Science group.