Boeing Skyfox N221SF United States Air Force (Demonstrator)These are 1 72 scale decals for the Boeing Skyfox N221SF, depicted in its white corporate demonstrator paint scheme. The Boeing Skyfox was an ambitious privately funded proposal to modernize the aging fleet of Lockheed T 33 Shooting Stars still in service with the U. S. Air Force and allied nations in the 1980s. Rather than a clean sheet design, the Skyfox was conceived as a comprehensive retrofit kit replacing the T 33's original fuselage with a new