Before revision: NACA Report The P-38 was the first 400 mph fighter, and it suffered more than the usual teething troubles.Bodie, Warren M. The Lockheed P-38 Lightning: The Definitive Story of Lockheed's P-38 Fighter.
After revision: The P-38 was the first 400 mph fighter, and it suffered more than the usual teething troubles.Bodie, Warren M. The Lockheed P-38 Lightning: The Definitive Story of Lockheed's P-38 Fighter.