well yes Iran already said they are building updated version of Bavar-373 and after that Iran said an entirely new long range air defense system is being built that is more powerful then S-400 (in all aspects ) but little less powerful than S-500 which indicate that's next system will have more then 400 km range of the S-400 IRGC today just announced they are building there own long range-long altitude air defense system, well Iran uses 18 layers of air defense to defend itself plans that Iran said they are actively using powerful top of the line leaser air defense systems to engage fighters and UAVs and missiles, for CMs Iran is going to unveil 2 home made short range system the first one is Oghab system an advance Iranian made Tor like system and the second one is Iranian made Pantsir like system.