The first gameplay trailer for upcoming Battlefield 3 expansion Armored Kill has been released by EA.

The action showcases the snowy Alborz Mountain and the Bandar Desert, said to be the largest map in Battlefield history.

These are just two of four promised new maps. There are also five new assignments and five new vehicles.

Battlefield 3 Premium members will get the content two weeks earlier than non members.

Armored Kill is due for release in September.