The Empire is launching a seemingly foolish attack on the Entente Alliance in the middle of winter.  They lack the supplies to successfully invade.  Tanya realizes that this attack is a feint intended to distract from a fjord landing mission.  Sure enough, she is sent to lead the invasion of the fjords, and silence 20 cannon emplacements in time for the fleet to land and the Imperial forces to disembark.
but we have landed a truly decisive blow.
لكنها كانت معركةً حاسمة بالفعل
aber das war ein
entscheidender Schlag.
pero de verdad fue una batalla decisiva.
pero de verdad fue una batalla decisiva.
mais ce fut vraiment
une bataille décisive.
ma abbiamo inferto al nemico un colpo decisivo.
mas essa foi mesmo uma batalha decisiva.
но мы добились коренного перелома.