Well - how stupid, you can cause a nuclear reaction just by planting a charge on a nuke? A nuke would never go off, even if you planted a ton of TNT on it. The detonating process is the most difficult part on a nuke.
In Fallout 1 you had to get the key to activate a nuke in the master's vault.
In Fallout 1 you had to get the key to activate a nuke in the master's vault.