I love the warthog but believe it is time for the next version of this aircraft. Something with a more modular main weapon, more modern and rugged terrain suited avionics, reduced radar signature, better integration with ground forces, etc. Perhaps a long range, high duration ground observation and intelligence gathering configuration.
Of course the F-35 go fast Air Force Generals will never go with the concept of mission specific aircraft.
A phased plasma cannon in the mega-watt range.
It would take 30 years and money we can no longer borrow to replace the “Hog”. It has got to be ground troops first. Give the A-10s to Israel if they are forced out.