Yak-3

"Small,light, and agile, the russian Yak-3 was more than a match for Luftwaffe fighters" Yak-3 description. See F6F-Hellcat for stats info.

Yak-3 stats:

Speed: FFM

Agilty: FFFM

Armor: FM

Guns: FM

Yak-3D stats: (upgraded only)

Speed: FFF

Armor: FF

Yak-3P stats (upgraded only)

Speed: FFFM

Agility: FFFF

Guns: FFFM

The Yak-3 its unlocked by doing Coral Sea in Ace. Useful for Pearl Harbor to Marianas, not recommended for Ace missions.