Oct 182011
 
USAF Air Materiel Command Design 938A Penetration Fighter Study of 1948

The concept of a “penetration fighter” evolved towards the end of WW II, when the USAAF anticipated the need for new class of jet fighter aircraft for the long-range escort of its strategic bombers. In 1946, it ordered the McDonnell XF-88 and Lockheed XF-90 to meet this requirement; the following year it would also order [...]