hi well i just registerd on to this forum and i need help, i am at the mission where you have to make it to some kind of safe place and once you do you have to destroy a bunch of tanks, well the jets take care of all but two tanks, one you have to run by to get back to your supply point and the second is waaaay off in the distance and all i have to use is my usless partner, a sniper rifle,frag,c4, and some silenced rifle, and also the tank you have to run by wont blow up with frags, and it also wont blow up with c4, whats with that? lol as you can see i need help