So that we're prepared well beforehand and not running around like headless chickens with the typical drama of emergency procurements paying 5-10x the cost
It depends on how the interception takes place - The fuel tanks are designed to separate and there is a possibility to disintegrate the warhead from the booster. We've seen downed fighter jets where entire fuselages were intact (some even after ground impact).
The below accounts all state it's...