The DoD does use cryptography extensively, but only to protect information worthy of the real costs and complexities
Another interlocutor whose knowledge of military traffic comes from watching Hollywood movies/TV shows. Or, maybe he even has access to high-level briefings - and believes everything that is said.
Doc, you might find it instructive to spend a tour in the real world of the military.
Perhaps if you reviewed the material on which my comments are based, you would have a different opinion, and perhaps not, but to make your comment based on an apparent lack of knowledge of the basis for my opinions indicates both a lack of willingness to spend the necessary effort checking before you make such statements and a lack of desire to engage in more than rank speculation. To get an idea of the basis for my comments, you might start by reading some of my writings and look through the citations I use as a basis for my opinions. If you would like a reading list, look under Management Analytics in my W3 site: -- -> See: Info-Sec Heaven at URL http://all.net Management Analytics - 216-686-0090 - PO Box 1480, Hudson, OH 44236