I tried using the flares (R2) and shoot the cannons. But after i start firing flares at the cannons a wave of soldiers come and i cant fight them off. I tried and tried i cant beat it. What do u have to do to beat the mission? I got as far as having to protect the two that sets the charges under the bridge. But thats as far as i got.Please someone tell me what i have to do to beat the mission and how to beat it. Please help me.