Yes, modern Russia has economic interest in NK (specifically providing energy in return for hard labor). But pretending Russia is the patron of North Korea is s

Yes, modern Russia has economic interest in NK (specifically providing energy in return for hard labor). But pretending Russia is the patron of North Korea is simply disingenuous. USSR/DPRK relations were broken after the USSR/China split, and then again after the USSR dissolved Russia cut all ties to NK. Do you have a source for USSR providing military equipment to NK? I'm skeptical.