defense doctrine

A new nuclear arms race is upon us

The US Nuclear Posture Review (NPR), a key nuclear strategy document that was issued on February 2nd by US Secretary of Defense James Mattis, seems to have benefited from last-minute changes that had been made to it. But it’s still extremely dangerous for the entire world, as will be fully explained here.
One key issue on which a change was made was whether the US would lower the threshold for introducing nuclear weapons into a conflict.