https://www.gamespot.com/articles/call-of-duty-ww2-dlc-pack-1-the-resistance-is-out-/1100-6456437/

Ahead of the expansion's launch, a new limited-time Call of Duty: WWII event has begun for everyone. Also called The Resistance, the event is free and runs through February 27. It adds new weapons, gear, and a new Division, and it marks the return of the ridiculous Prop Hunt game mode.