From the announcement:
Spartan Games is pleased to announce the arrival of the Dystopian Wars Aerial Battle Group Bundles. Following from the exciting launch of the enigmatic Small Flyers for each nation, we are now able to produce a bundle that offers an aerial equivalent to the Naval and Armoured Battle Groups. With Small, Medium and Large Flyers included, these bundles form the building block from which to grow your aerial force.
The Dystopian Wars Aerial Battle Group Bundles are available now. They are sure to be popular, so head on over to the Online Store and place your orders today!