Except you have never been to a silo or a maf for that matter. You don’t just walk right up to the damn things. Even bird hunting near one of the 14 missiles in Wyoming, on state land will get you a friendly flyover by a Huey.I once read in a book, that the Soviet Union had a force of "sleeper agents" in America.
These agents, while outwardly appearing upstanding US citizens, were secretly in the employ of the Soviet Union. And were tasked with neutralising the US retaliatory capability in the event of nuclear war.
The agents would accomplish this by shooting US Minuteman ICBM missiles, when the missiles emerged from their underground silos. The location of the silos was well-known. So each agent (when tipped off by Radio Moscow that war was imminent) would go to a silo, and lurk outside it. The agent would be equipped with an sub-machine gun, readily available, as we all know, in the US.
Then, when the concrete lid of the silo slid open, and the missile was fired, and came out, the agent would riddle it with bullets from his gun. Thus rupturing the relatively thin outer skin of the missile, and destroying it on launch.
This seems a not implausible scenario. The US Minuteman force, when at its maximum strength in the 1960/90's, consisted of 1,000 missiles. Therefore only 1,000 secret agents would be required to knock out the lot.
These days, after all the SALT/ START treaties, the US Minuteman force has dwindled to a mere 400 missiles.
So isn't it even more vulnerable to such tactics.
SMG’s are not in fact readily accessible to the general population here.
You would be detected and challenged in short order. Foreigners don’t do well in the middle of flyover country. To many tells, and hanging around silos is a big one.