There are a lot of designs that are a lot trickier to set off. Do we know how many of each design Russia has in service? It wouldn't surprise me if a lot of the

There are a lot of designs that are a lot trickier to set off. Do we know how many of each design Russia has in service? It wouldn't surprise me if a lot of the simpler ones had been replaced by higher yield but more fragile ones. Ed: rockets, targeting, etc are also tricky failure points. Anyway, I agree it's not a great cause for optimism. It would only take a couple of them going off to give the world a bad time. If nothing else they're dirty bombs.