Aces Flying High - "Mr. Awesome" is a highly modified Soviet era 1955 Yakovlev Yak-11 Moose trainer that became a Reno air racer. The aircraft (S/N 171521) is actually a Let C.11,
Yakovlev Yak-11, Soviet fighter plane produced from 1946 to 1956, Europe's largest meeting of vintage aircraft at Hahnweide, Kirchheim-Teck, Baden-Wue... - SuperStock
Restored Yak-11 With “Very Interesting” Background Offered For Sale