The Yakovlev Yak-9 was the Soviet Union’s most produced WWII fighter fast, versatile, and adaptable to missions from bomber escort to anti-tank strikes. Its Yak-9T variant carried a 37 mm cannon ...
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Was this the most advanced Russian jet? - Yak 141

Developed in the 1980s, the Yakovlev Yak-141 was the Soviet Union’s answer to the Harrier, a supersonic vertical takeoff and ...