Quote Originally Posted by Fuchs View Post
Assuming it's still the old course correction stuff:

1. radar tracks projectile/rocket
2. computer predicts miss, calculates required correction
3. radio tells projectile to brake
4. projectile begins to brake at perfect time to minimize range error (creating a roughly circular dispersion; dispersion left/right is usually smaller than in range for unguided munitions)
Interesting.

I wonder how the cost of a course correcting rocket compares to one using GPS/INS guidance?