Re: Lasers can't be defended against?

In a message dated 4/24/00 7:31:58 PM Central Daylight Time, 
Al.Bri@xtra.co.nz writes:

<< 
 I don't see it as even a possibility, because using a searchlight (IR,
RADAR
 or Light) this is like telling your foe, "here I am, put a 1000lb bomb
on
 me!"
  >>

How far do you see in space with a searchlight? IR or Visible Spectrum?