DICE has sent over the launch trailer for Battlefield 4's Second Assault DLC to coincide with its release on Xbox One.
The DLC features four Battlefield 3 maps reimagined using the Frostbite 3 engine "and enhanced to include new multiplayer features from Battlefield 4".
Second Assault is now available on Xbox One for Battlefield Premium members. It'll be released on other platforms at a later date.
Second Assault is one of five Battlefield 4 expansions due for release by the summer of 2014. They can be pre-purchased as part of the £39.99 / $50 Battlefield Premium subscription offering. The other four expansions are China Rising, Naval Strike, Dragon's Teeth and Final Stand.