The Yakovlev Yak-1 entered service in 1940, a fast and well-armed fighter. With wooden wings and a composite structure, it was a very reliable and easy to maintain aircraft. Although its production suffered quality issues due to the Axis invasion, the Yak-1 always remained popular with front line pilots.

The Soviet Yak1 Squadron set contains:

• 6 Yakovlev Yak-1 Fighters
• 6 Advantage flying bases
• 1 Aircraft card
• 6 Aircraft Trait Cards