what would be the successor of AMRAAM ?

in the US air forces ( USAF/USN/USMC/ANG ) ?

It is needed face to the R-77M or KS-172 .

I know F-22 stealth is a reponse but not for other planes which need a extended range AAM .

does it will be the FMRAAM or it is just a concept , restricted to export