After a decadeslong hiatus, the weapons have surged back to the forefront of global politics.
The new nuclear race has begun. But unlike during the Cold War, the U.S. must prepare for two peer rivals rather than one—at a time when it has lost its clear industrial and economic edge.

China, which long possessed just a small nuclear force, is catching up fast, while Russia is developing a variety of new-generation systems aimed at American cities.
Chinese leader Xi Jinping for the first time showcased China’s nuclear triad—its land, sea and air-launched ballistic nuclear missiles—at a Beijing parade honoring the 80th anniversary of victory over Japan in September. Putin, sitting to his right atop the Gate of Heavenly Peace, took note. So did North Korea’s Kim Jong Un, sitting to his left.
