Asyncron Packs

https://www.wingsofwar.org/forums/showthread.php?36794-Pack-WOG-WW1-2-Balloons-and-3-Nieuport-16-for-98%80

https://www.wingsofwar.org/forums/showthread.php?36793-WOG-WW2-Battle-of-England-special-pack-13-planes-for-149%80