Well upgrading F-16s and junking the F-15 was what the USAF suggested.
Unfortunately, as the F-35 buy shrinks and retreats into the future as did the F-22, the F-16s are the bomb trucks needed for out of area operations - and the USAF is ending up buying brand new F-15Xs for AD in the same.
Not sure if TX could do the job - or if the money exists to buy them in the first place once the above have been procured.