Just more Russian defense systems for the Israelis to embarrass.
All the really nice, advanced weaponry and gear are no replacement for real warriors with training and courage.
Syria, there will be no United States to stop the Israelis at the gates of Damascus like the last time you were stupid enough to take them on. (Blame Obama!) The Jews will TAKE you entire nation if you attack them.
the S-300 is a formidable system - unlike the systems formerly employed by Syria.