Bohemia Interactive announces ARMA II Operation Arrowhead, a standalone expansion for ARMA II, the military shooter sequel. The project does not yet have a release date, but Bohemia Interactive states it "is fully committed to supporting the existing ARMA II user base whilst also working on the expansion pack." A couple of images accompany the annoucement, which outlines the game's central Asian setting and a bit about gameplay:

Prague, Czech Republic, August 13th 2009 - IDEA Games and award winning independent development studio Bohemia Interactive announced today the development of ARMA II Operation Arrowhead; the standalone expansion pack to ARMA II, one of the most anticipated sandbox PC military simulator of 2009.

Three years after the conflict in Chernarus, portrayed in the original ARMA II, a new flashpoint in the Green Sea region heats up and coalition forces led by the US Army are sent to Takistan to quickly restore peace and prevent further civilian casualties.

Set into the new, visually attractive environment of hilly central Asia, Operation Arrowhead will offer realistic combat simulation experience in a modern day setting with unprecedented freedom of movement, actions and tactics. Players will enlist into various roles within the US Army, from basic infantrymen, through special operatives, to pilots and tank crew in this new installment in the award winning line up of military simulators for PC from Bohemia Interactive.

ARMA II Operation Arrowhead will be presented during the Gamescom; trade fair for interactive games and entertainment in Cologne, Germany 19th - 23rd August 2009. Visit us at our stand in hall 4.2, stand no. L034.

"Bohemia Interactive is fully committed to supporting the existing ARMA II user base whilst also working on the expansion pack, this will not only allow us to introduce a new and original theater of war to the simulation series, but also improve numerous areas of the core game, for both the original game and the expansion, where we can go even further with adding completely new features" said Marek Spanel, Bohemia's CEO.