30. Gloster Meteor 606mph
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The only jet aircraft the Allies had available during World War II was the British made Gloster Meteor and its groundbreaking turbojet engines. built by Power Jets Ltd. and pioneered by Sir Frank Whittle starting in 1940. It made its debut flight March of 1943 and commenced operations July of 1944. By no means was this an incredibly advanced and sophisticated aircraft, it even earned the nickname “meatbox”. However, it still managed to have a successful career as a fighter plane. It also set the first official air speed record with 606mph.