UPDATE: seems that the code does not work. Even during the stream, it did not work.
Bonus code adding a special mission for the “European destroyers” container.
Every player can get a bonus code from the official streams that unlocks access to exclusive combat missions. For completing these, players will be rewarded with European Destroyers containers and credits! Watch the official World of Warships streams every week during the Update, chat with the developers, activate the bonus codes, and unlock the special combat missions! The first stream takes place on March 12!