From the review:
Axis & Allies Air Force Miniatures: Angels 20 makes sure no two dogfights are the same. The game includes 31 different World War II fighter planes from Japan, Germany, Italy, the USSR, China, Britain, France, Finland, and the United States. The starter set is based on the Battle of Britain and includes 4 dice, 6 miniatures, 2 maps, rules, and counters. Booster packs offer three random miniatures.