DICE has released a new trailer for Battlefield 3’s upcoming DLC, Back to Karkand. It features gameplay from the Gulf of Oman map and focuses on vehicular combat, giving a glimpse at a fourth, classified vehicle. The expansion releases in December at no extra charge if you bought the limited edition of Battlefield 3. It’s available for $14.99/1200 MSP for others. You can watch the video after the break.