Hmm $10 million to rebuild to A7F superSLUF
The A-7F concept would take the well-known A-7 Corsair II platform and bring its design almost full circle by lengthening the standard A-7 fuselage by four feet, in order to accommodate the powerful Pratt & Whitney F100-220 turbofan – the same engine in the F-15 – in the place of the A-7's older TF-41 turbofan. This would bring the A-7′s thrust up from 14,500lbs to 26,000lbs and would feature an afterburner, a component missing on the A-7′s family tree since the F-8 Crusader.
This new arrangement would allow the A-7F to reach speeds well above Mach one, and would effectively turn America's no-nonsense bomb-truck into an affordable high-speed deep striker. Along with these developments, the SLUF would probably lose its humble and disparaging nickname, as the A-7F was anything but slow.
https://foxtrotalpha.jalopnik.com/ca...fig-1591155307