[edpc]

It would depend on the version as to how "yesterday" it is. The Patriot is dated, but there's a difference between PAC-1 and PAC-3 capability.

SCUDs are beyond yesterday, but Israel doesn't want them making their way from Syria to Hezbollah hands in Lebanon.

[Paid_Russian_Troll]

You have the point but any S-300 specs are way beyond S-400 currently in service and a maker company brags it can deliver S-500 which is another generation ahead in a few years given the government guarantee them procurement of enough units.