Killzone 3 Walkthrough - Stahl Arms Infiltration: Part 4
6Full Walkthrough: http://www.gamefront.com/killzone-3-walkthrough/
Sharp Pursuit
You'll find yourself driving a Helghast Ice Saw vehicle immediately after the ATAC fight. Be careful not to go sideways off the cliff.
You have a machine gun on R1 and heat-seeking missiles on L1. As soon as you start seeing other ice saw vehicles showing up on your path, start hammering them — missiles first, always. The only way to really get through this fight is to hit everything with as many missiles as you can manage.
The machine gun, on the other hand, is good for helping out but better for keeping trees and pieces of ice out of your way, or from damaging you. Use the machine gun as much as you want, but don't expect it to bring down enemy vehicles.
In the first wave, you'll be fighting ice saws pretty much constantly. Killing them fast is the key to survival, as right as one dies, usually another shows up. You'll want to blast the ice saws quickly to keep them from piling damage on you, one after the other.
There's not a lot to this — stay on the road, avoid the rock slides (there are two) and keep hammering with missiles. After you kill four or so ice saws, you'll dodge another rock slide and drop ships will come after you.
You can ignore the machine gun altogether at this point — it's missiles, as fast as you can fire them, that will get you clear of the drop ships. Make sure you have a red lock (you'll hear the tone) before firing, and keep firing until the drop ships go down. They're as dangerous as, if not more than, the ice saws you already fought.
After downing a bunch of drop ships, you'll enter an open field where the cruiser above you is actively trying to shoot you. Dodge the big craters if you can and keep letting loose with missiles on the pursuing drop ships.
Clear the field, and you'll have one or two more ice saws to kill before you hit the cutscene and end the chapter.
TROPHY: The "Iced" Trophy unlocks when you destroy all enemy ice saws and drop ships.
Full Walkthrough: http://www.gamefront.com/killzone-3-walkthrough/