I don't doubt there exists a plethora of interesting devices buried in the Vatican vaults, however even if we had a plane for our in-house pilot to fly as a getaway vehicle I don't believe we have the numbers required for the army it will take to get into them. Fire power yes, enough people to use it all no.
As an American it's your responsibility to have your own strategic duck stockpile. You can't expect the government to do it for you.