North Korea passed a new law stipulating the country’s nuclear doctrine for the first time after April 2013, significantly expanding the conditions that may prompt Pyongyang to launch nuclear weapons at other countries.

The doctrine, which Kim Jong Un read aloud in a speech on Thursday, departs from the 2013 posture document in several key areas. Now, there are five different use cases that could be triggered if Pyongyang thinks a nuclear – or even “non-nuclear” – attack is “imminent.”

This implies that North Korea could use nukes preemptively, not just as second-strike, but any unspecified “other” cases