The American TS-5 is today’s Advent Calendar offering. You can buy the vehicle for 9100 gold, or in bundles valued at 30 euro / 49 euro.
Link to cheapest bundle: https://eu.wargaming.net/shop/wot/specials/19516/
Today’s mission gives 2 personal reserves for + 50% bonus to credits earned in battle for 2 hours.
Rip tier 8 mm for a while.