War! Huh! What is it good for? Stuff like smart bullet-feeding systems, apparently. See, the US Army isn't quite satisfied with the mixed ammo feed it currently uses with weapons like the helicopter-mounted M230 chain gun. Instead, it wants its machine gunners to be able to freely switch and pick their ammo of choice -- whether it be incendiary rounds or precision-guided smart bullets -- to better match conditions on the field. So the Army is using another weapon in its arsenal -- good, old tax dollars -- to solicit proposals for a smart bullet-feeding system. Initial project goals include near