This means that:
-a rogue former Soviet republic unilaterally begins military aggression in its own neighborhood and then the leader of that country is apprehended by US forces and placed in Russian custody. In the movie it was Kasakhstan, which according to the movie had a massive nuclear arsenal at its disposal(dunno how accurate this was at the time though).
That was a pretty silly scenario, borderline ASB. Probably the result of politically correct Hollywood once again stretching to come up with terrorrist villains who aren't Muslims (altho not quite as bad as "Sum of All fears", where the Arabs from the Clancy novel were turned into European Neo-Nazis