Lost Squad is a Half-Life 2 modification that looks quite interesting. The mod is developed by DmitRex Corporation and its third teaser trailer has just been released. This new teaser showcases some of the game’s destruction and you must check it out. Lost Squad is currently slated for a 2012 release and promises to feature Dynamic Destruction Environment (the modder claims that everything will be desctructible), Co-op mode and some new places, never before seen. Enjoy the teaser after the jump.