The debut Battlefield 3 expansion pack, Back To Karkand, is available now from the PlayStation Store

If you purchased a specially marked limited edition copy of EA and DICE's destructive shooter, then the DLC is yours to download for free. Everyone else will need to stump up a reasonable £11.99 / $14.99.

In order to celebrate the DLC's release, EA has released a brand new trailer showing off the classic Battlefield map Wake Island running in DICE's glorious new Frostbite 2 engine. Catch that in action after the jump.

What are you still doing reading this by the way? Download now soldier. That's an order.