it was in the 50s, now that Russia have more nukes and hypersonic and all that, to ensure total destructions 100x over.
what makes you think that the bombs are flying in from the East?, the way you are pointing your THAAD is all wrong, they will come in from the WEST sides. at least most of them would and some from above. The technological superiority is no longer with the US, they have come to Russia and China.
Without the Economic power, no 2 can never beat the number one, they have been left behind. The Manpower is dominated by few big countires with very big populations. In technology and IA, other people are leading, since they invested heavily...