Update 0.6.15.1

General Changes

Winners of the Clan Battles Season have been added to the loading screen of the "Hotspot" map.
Added "Hotspot" achievement to the game (Rank among the top 16 clans in the Clan Battles Season).
Added New Year pictures for combat missions, challenges, and events.
Added start and end dates for Campaigns.
Returned old indicators of Hydroacoustic Search  and Surveillance Radar .
Fixed issue with incorrect direction of torpedo launch.
Fixed a bug due to which it was possible to mount Defensive AA Fire Modification 1 on battleship Duke of York. If the modification was installed it will be sent to storage.
Start of “Battle of the North Cape” Campaign Missions:
- 2nd mission - 25 December 2017
- 3rd mission - 30 December 2017
- 4th mission - 4 January 2018
- 5th mission - 9 January 2018

Added Graf Zeppelin to the client for testing. It is available in two setups of air groups available:
- 1-2-1 groups of 8 fighters (16 in total), 2x5 torpedo bombers (27 in total), 9 bombers (29 in total) or
- 2-0-3 groups of 2x5 fighters (24 in total) and 3x5 bombers (48 in total).
- Players can select bombers with AP or HE bombs, and torpedo bombers with deep-water torpedoes or regular ones.