[where's_the_Outrage?]

Which means shrapnel from an ABM hits it at that speed, ripping holes in it

Which means the fusing from the ABM explodes after the missile has passed (because it is calculated at about 600 fps meetings) rendering the engagement useless.

[null and void]

Gosh mister, I sure hope they are smart enough to do the boom in front of the incoming missile rather than after they pass each other.

Perhaps you should tell them?

[where's_the_Outrage?]

I neglected to define ABM as an Air Breathing Missile:

http://www.thefreedictionary.com/air-breathing+missile