grinter says... My guess is that they need to measure the forces that the weapon, and its internal components, are subjected to if it falls out of a transport or if it goes off course and subsequently impacts the ground. This will help them predict the likelihood of and unintentional detonation of the conventional explosives, and I suppose the likelihood of a nuclear reaction resulting from this. It will also help them predict the kind of cleanup task that will be necessary. It might also be useful to know how much secret technology survives after an impact if the weapon does not detonate. Anyone know the back story on Sandia Labs appropriating the thunderbid symbol? It seems a poor choice for a weapons lab of colonizing nation to use the symbol of a people that nation has displaced.