"Whilst it may take time for the Iranian air force to learn the new systems..."
True. Especially so if they are merging their defence procurement and logistics agencies or going through some kind of slimming down, leaning if you will, type process. hat..... coat....
Would we put it past the Russians to put their own pilots into Iranian SU-30s, in the same way the Chinese did in Korea? That would certainly speed things up in terms of perceived capability.