https://www.gamespot.com/articles/call-of-duty-ww2s-new-dlc-united-front-out-now-for/1100-6460039/

Call of Duty: WWII's third expansion, United Front, is now available for PS4. The DLC pack introduces an assortment of new content to the World War II shooter, including a handful of maps, a new War mode mission, and the next chapter in the Nazi Zombies story.

Those who purchase the United Front pack will get three new maps for Call of Duty: WWII's multiplayer mode. The first, Market Garden, is a fast-paced arena that forces players into close-quarters confrontations. The second, Monte Cassino, takes place in a "war-torn village" and emphasizes verticality with its many rooftops and other high vantage points. The final map, Stalingrad, is based on the largest confrontation in WWII and features two bases that are located on opposite sides of the war zone.