The trouble with sending them ‘advanced jets’ is a lot of what makes them ‘advanced’ is classified tech and will have to be removed, making them ‘no so advanced’.
Lots of old F-16, F-15, and A-10 aircraft flying out of Davis Monthan lately. They might be old but they can still kill Russian scumbags!
You are right. That was exactly what was done with the M 777 Howitzers. The computerized fire control systems were stripped off.