The deployed nuclear arsenals of the US and Russia have been reduced by nearly 90 percent, but we are not safer today—quite the reverse. After decades of building just enough weapons to deter attack, China is now aggressively modernizing and enlarging its small nuclear arsenal. Russia and the US are modernizing theirs as well with entire menus of new weapons. Activities in space are enlarging the global battlefield. Advances in missile technology and conventional weapons “entangle” scenarios of nuclear and nonnuclear war, making outcomes highly unpredictable.
Source : The New Nuclear Threat
