There's this FS for F-22s and the AWACS controlling them only, so... it's quite old, built to play on Win95. Approved by DID and some other Big Flight Simulator company, by big i mean the ones you sit inside... Designed by Ocean smth, i think. it's called F-22 ADF. You get to do Air-to-air refueling, the works.
There's another WWII flight sim that i purchased for S$14.00. It's brilliant. The gameplay is as realistic as FS 2004's