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Artist's commentary
The Yakovlev Yak-9D was the main fighter aircraft for the Soviet Union. The D-type incorporated improvements on early models, but the structure of the actual craft used in the war was made out of plywood and fabric.
As a successor to the prototype Yak-1, the plane's only externally visible difference was the radiator intakes, but its performance showed vast improvement, earning it a reputation as the Soviets' greatest fighter craft.
With an even smaller frame than the A6M Zero and a powerful engine and formidable weapons, the Yak-9D dominated at middle to high altitudes.
The Yak-9D was deployed along with the Yak-5 (NOTE: actually the Yak-3 ), a low to mid-altitude version. They contributed to winning back the air superiority that had been lost to the Germans, and large numbers of an all-metal later model went into service as the main aircraft for the Eastern Bloc in the Korean War and elsewhere.