Bulletin of Atomic Scientists produces papers yearly as part of its Nuclear Notebook describing the estimated nuclear weapons and the related delivery systems of all nine nuclear weapon states. With the domino effect, all these three nuclear weapon states including France and the UK are modernising their nuclear forces. It leads by both conventional and nuclear forces modernisation with an unmatched technological advancement. Both the US and Russia possess 90% of the total world nuclear forces. In sum, nuclear forces and their related delivery systems possessed by the US reflect that nuclear weapons will continue to stay and play a decisive deterring role in the evolving global nuclear order.
