http://www.youtube.com/watch?v=6wB33uPwa9Y

The expansion pack Back to Karkand is out now on PlayStation 3, Xbox 360, and PC! This launch trailer features gameplay footage from the legendary Battlefield map Sharqi Peninsula, now reimagined and powered by the Frostbite 2 engine.

http://www.youtube.com/watch?v=M-BX_DATeik

Back to Karkand goes live on PlayStation 3 December 6th. To celebrate the launch check out this trailer featuring explosive PlayStation 3 gameplay from the all-time classic map Wake Island, now reimagined with the power of Frostbite 2. Watch out for another special cameo appearance from the hidden fourth combat vehicle as it crushes through the enemy lines.

http://www.youtube.com/watch?v=emGXp-qRrVg

We are bringing back three popular combat vehicles from Battlefield 2 into the Battlefield 3: Back to Karkand expansion pack: The STOVL fighter jet, desert buggy, and one of the APC's. In this gameplay trailer from the Gulf of Oman map, you can also get a first glimpse of a classified fourth vehicle bound to strike fear into the very hearts of the enemy.

http://www.youtube.com/watch?v=xjTmieRMKjo

This December, go back to the four most loved maps from Battlefield 2, boldly reimagined with enhanced destruction in the Frostbite 2 engine. In this trailer take a closer look at gameplay from the Strike at Karkand map, including a number of shots where you can see some of the new Back to Karkand weapons in action.

http://www.youtube.com/watch?v=TyN_Zjw4l-s

This December, go back to the four most loved maps from Battlefield 2, boldly reimagined with enhanced destruction in the Frostbite 2 engine. In this trailer, witness the very first ingame shots from Strike at Karkand, Sharqi Peninsula, Gulf of Oman, and Wake Island, from the upcoming expansion pack Battlefield 3: Back to Karkand. This expansion pack also features new weapons, vehicles, persistence, and the return of the classic Conquest Assault. Battlefield 3: Back to Karkand is out December 2011 at no extra charge with your pre-order, or available the same date at $14.99/1200 Microsoft Points.