Actually a Soviet Yak-3 fighter from WWII. Doing flight demonstrations at the Palm Springs Air Museum yesterday. Not something you see everyday! From Wikipedia…

“The Yakovlev Yak-3 (Russian: Я́ковлев Як-3) was a World War II Soviet fighter aircraft. Robust and easy to maintain, it was very much liked by pilots and ground crew alike.It was one of the smallest and lightest major combat fighters fielded by any combatant during the war. Its high power-to-weight ratio gave it excellent performance. It proved a formidable dogfighter. Marcel Albert, World War II French ace, who flew the Yak in USSR with the Normandie-Niémen Group, considered it a superior aircraft when compared to the P-51D Mustang and the Supermarine Spitfire.”