Fair enough, and having worked for the Military Surface Deployment and Distribution Command (http://www.sddc.army.mil/Public/Home), i know very first-hand that people and goods are tracked nearly identically.

I do think the level of effort to recover the chips, especially in an explosion of any type, for outweighs the benefits of replacing dogtags. Augmenting them, especially with medical info, could save a few lives, and possibly hasten notiication of family in the event of injury.