Of possible interest:
P-47 Thunderbolt: Aviation Darwinism - The Cradle of Aviation Museum - The Cradle of Aviation Museum
"Actual production P-47M fighters used the P-47D-30-RE as the basic airframe."
P-47 Thunderbolt: Aviation Darwinism - The Cradle of Aviation Museum - The Cradle of Aviation Museum
"Actual production P-47M fighters used the P-47D-30-RE as the basic airframe."