Russia is building security plans taking into account NATO’s nuclear arsenal. The Russian side views all nuclear weapons of NATO member countries as a threat to Russia.

The U.S. is the biggest nuclear power in the world, according to the World Nuclear Association. The United States is the second largest nuclear power after Russia, after the U.K., says the Nuclear Energy Institute of the United States of America (NEA) The NEA says it is concerned about the threat posed by nuclear weapons to the US and its allies.