[jimtorr]

Right. Also, in the Iran-Iraq war Iraq tried to use the Mig-25 as a normal air superiority fighter, with diastrous results.

[Reeses]

Iraq tried to use the Mig-25 as a normal air superiority fighter, with diastrous results.

I'd say they hid them from the inspectors and didn't use them during Desert Storm because they were intended for delivering biological weapons to Israel at high speed.