On December 17, from 08:00 to 12:00 UTC, the servers will undergo maintenance to deploy Update 2.1.37.

• Douglas A-26B Invader
  
• Republic XP-44 Rocket
  
• P-38L Lightning
  
• North American P-51D Mustang
  
• Chance-Vought F4U-4 Corsair

• Final pre-release changes were made to the Gotha Go P.60C Nachtjäger.
  
• Copyright information was updated in the game client.

Only aircraft of Tiers IV-X can take part in the event.

• First phase of each stage: from Thursday 15:00 UTC till Friday 21:00 UTC.
  
• Second phase of each stage: from Saturday 15:00 UTC till Sunday 21:00 UTC.

Note: daily missions can be completed only in the Conquest mode.

• Three personal missions for each aircraft type. For completing them, you'll earn gold and our special supply crates.
  
• One global mission for all players. Completing this mission will double the number of supply crates you've earned for completing personal missions.

The progress of personal and global missions is reset after the completion of each phase.

Supply crates will double only for those players who made at least a minimum contribution to the global mission's progress.

• Premium aircraft
  
• Operation order to obtain the brand-new Grumman F9F-5 Panther Tier IX multitole fighter
  
• Stock Experimental equipment (periods I-III)
  
• Gold
  
• Days of Premium Account
  
• Equipment (Improved, Advanced, Ultimate; periods II-III)
  
• Pilots and gunners with free skill points
  
• Hangar slots
  
• Free XP
  
• Consumables (period II-III)
  
• Materials