The U.S. Military's Jet-Powered Leap. A New Aviation Era (Documentary)
Includes some rare Bell XP-59A and Lockheed P-80 Shooting Star footage
https://youtu.be/I0Rf8_navA4
A 1952 documentary about the first American jet engine, which was (Sir) Frank Whittle's invention.
In late 1941, when World War II raged all over Europe and Nazi bombers flew over London, a group of GE engineers in Lynn, Massachusetts, received a secret present from His Majesty King George VI...