Im stuck!

Its been ages since i finished the game so i fogot most of it, I currently doing the assualt on the formalhaut accelerator and cant seem to take down the lda field/shield. I think im suposed to be able to shoot the little generators inside the accelerator but their not showing as targets and i cant manually shoot them, is their something else i must do? I read a walkthrough and it says fly through the accelerator..... theres one problem, its like a brick wall... have u ever tried running through a brick wall!!!!
Nothing i do helps, can anyone tell me whats supposed to happen on this mission, maybe theres something wrong and i need to start from an earlier save.

You cannot target the nodes. You have to do it manually. Press the 'x' key to disable targeting.

A deathblow remote fired at the exact centre of the shield will take out ALL SIX nodes in one go!

-- Steve
Stephen Robertson
I-War series co-designer.