The one aircraft that dominated the Pacific war was the Grumman F6F Hellcat that was responsible for 75% of the Japanese downed planes. In the European theater it was the Spitfire Mark V and Republic P-47. By the time the effective version of the P-51 arrived in Europe, the Allies have already won the air superiority over the Germans. Only the American insistence on the daylight bombing campaign made the development of the long range fighter for a European theater a necessity. Germany, like Japan, were able to produce enough aircraft and in the case of Germany even superior aircraft, but the constant attrition battles deprived them of the quality pilots. Both countries were forced to throw thousands of novice young pilots into battles where they faced professional and extremely well trained opponents.The P-51 didn't make much impact in the Pacific Theatre. Much of American air power there was carrier based.
Naval victories opened the way for land based B-29's to attack the enemy's home islands.
"The Great Marianas Turkey Shoot"
The U.S. Navy’s offensive in the Central Pacific gathered tremendous strength in early 1944 and moved to within striking distance of Japan. With the threat of an American push into the Marianas Islands by June, the Imperial Japanese Navy (IJN) hoped to protect their home islands. Realizing the...www.history.navy.mil
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