The Russian SU-34 and SU-35 are good. Damned good. The MIG-29 is a solid fighter. And they have a lot of them.
On that aspect,
But the Ukrainian military has only a token force in the autonomous region a lightly armed brigade of about 3,500
A senior NATO official said that Ukraines small naval fleet, which was originally part of the Black Sea Fleet, had been boxed in by Russian warships.
Ukraine had accomplished some military reform with NATO advice, but since President Yanukovych said that Ukraine was not interested in full NATO membership, cooperation has lagged, the NATO official said.
Now the force is somewhat pathetic.
Ukrainian air defenses, all produced in Russia and a generation behind, are considered weak.
www.nytimes.com/2014/03/02/world/europe/ukraine-finds-its-forces-are-ill-equipped-to-take-crimea-back-from-russia.html?_r=0