http://www.arma2.com/supply/game-upd...4.html?lang=en
1.54 Highlights
* Arma 2: British Armed Forces Lite - all units, vehicles and weapons from Arma 2: British Armed Forces are included in this patch with lower quality textures and audio files. The full version of Arma 2: British Armed Forces with high resolution textures and packed with a new campaign and large selection of new single player missions is available for purchase, see
Arma 2: British Armed Forces - Arma 2 Official Website for more information about the content of Arma 2: British Armed Forces.
* Engineer - Engineers have undergone some serious training and are now capable of repairing damaged vehicles and defusing mines.
* Artillery Computer - All indirect fire weapons can exploit the brand new artillery computer by selecting it in the Action Menu (default binding is the mouse wheel). The artillery computer initiates an interface where you can see your weapon, and the associated minimal and maximal ranges on the map.
* Numerous stability and functionality fixes and improvements.
* Reworked MP Session Browser and Mission Selector.
* See readme.txt file for more information about the fixes, improvements and new features coming with Arma 2: Operation Arrowhead version 1.54