Marines have a plethora of different weapons at their disposal, from the classic pulse rifle to the iconic flamethrower, from the smart gun and legendary weapons to explosives and assault rifle. All are fully customizable, just like the multiplayer characters, and all are selectable in your load out. (http://www.gamezone.com/news/2013/01/31/aliens-colonial-marines-multiplayer-tactics-trailer-showcases-xeno-and-marine-advantages)