but the eussr will do what it always does...start of small, some sort of joint deal with forces in a small way that on the face of it seems like a good idea, bit like the eussr arrest........then mission creep...bit by bit there will be more "joint" co-operation until its a case of "well we are working so closely may as well harmoise completely and give us control of your military, silly to be spending on all that kit and stuff, here have some of our nice new eusssr uniforms for all your soldiers to wear, may as well all look the same now your army is "our" army".
the first two things normally needed for a revolution are the media and the military and if they get our military they know breaking away in the future becomes even harder.
history just repeats itself, if we get swallowed up by this empire at some point there will be breakaway groups wanting out and that nearly awlays leads to freedom fighters aka terrorist groups...
the last thing the eussr wants is a military that swears allegiance to a sovereign such as ours, and they will do everythinhg in their power to get control of the former and destroy the latter