[watchfirst9]

looking at how the Russian's Su34 performed badly over Ukraine sky,  Russian Lost 20 Su34 ! This plane even better than Chinese have 
many expert now believe most have overestimated Russian Chinese made weapon systems
with F-16 in Ukraine hand would spelt the end of air superiority of Russian

Unable to judge really, as almost all due to flying low using non smart bombs in the 
earlier phase of the war. 

Since then they ramp up smart bombs or modified traditional bombs into one.