An E3 2010 teaser trailer for Battlefield: Bad Company 2 Vietnam, an upcoming digital expansion pack that takes all of the intensity, action and addictive gameplay of Bad Company 2 and ups the ante with enhanced persistence, new weapons, vehicles, unlocks, awards, achievements and trophies. Featuring four new maps playable in classic Battlefield modes including Conquest and Rush, Battlefield: Bad Company 2 Vietnam will be available worldwide this winter for the PC, PS3 and Xbox 360.