Even if they're still interested, there's no telling how Russia will still be able to produce them in large numbers and within acceptable length of time.*dunno if Algeria n Vietnam still interested with the Su 57 after sanctions on Russian
I think this also apply to the Russian Armed Forces as a whole. While I believe that there are still some highly qualified officers among their ranks, but I'm not sure that their doctrine and tactics have improved much compared to what they were trained to during the cold war.Russian Air Force has some serious brain drain