Battlefield 1 Turning Tides will be released in two waves – the first wave is coming on December 11th for Battlefield 1 Premium Pass owners.
Experience battles on land, in the air, and at sea on the newest front with Battlefield 1 Turning Tides, the third expansion pack available for Battlefield 1.
Battlefield 1 Turning Tides DLC
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http://www.xboxone-hq.com/xboxone/games/battlefield-1-turning-tides/1297/