ALTERNATE HISTORY:: With the threat of nuclear attack now a reality on both sides of the war, the SAUN rushed to develop a high speed, long range interceptor capable of catching up to the Allies newest long range super sonic bomber - the Canadian B-21, to maximize protection to its allies, the SAUN sent test models to both Germany and Japan for mass production of the "Harpe eagle", Armed with 6 30MM cannons and two unguided missiles the F-21 was more than capable of taking on any bomber threats and was more than capable of holding its own in a dogfight against other fighters. Over time, the fighter proved to be a formidable night fighter as well and was also introduced as the SAUNs Primary night fighter.

Specs:
Max speed: 982 MPH
Max Altitude: 50,600 feet
Max Range: 334 miles w/o afterburners

Armament: 6x 30MM cannons w/ Tracer HE Rounds
2x unguided Air-Air/Air-Ground/Air-Naval 1,200 lbs explosive missiles

Crew: 2
1 Pilot
1 Radio commander