The French D520 would be a fun addition to our fighters. I ran across a very good article on it.The plane flew for both Axis and Allied forces. Good read see the link.
It was on par with the 109 and Spitfire.
332mph level flight and over 500 dive speed. 1 20mm, and 4 7.62 mg.
A ferry fuel range of 800 miles.
https://warisboring.com/42448-2/
