rwbpj,
I am not sure, though I am an ex-military person myself. From my initial coversations with admissions people, they seem to greatly admire it, but I have not idea whether it would help in the admissions process. Though, it can not hurt either, especially if anyone on the adcom staff is an ex-military.
But, as you have stated, you were accepted to 6 schools, so it may have been a deciding factor. I can say from experience (working world) in job interviews, that it became a large topic of conversation,and many people seem to really like admire the person who came from the service. Typical comments were that they admired the discipline, determination, teamwork abilities, and the fact they you actually went through basic training (boot camp).
So, hopefully it can give me a little bit of an edge, or at least get me some interviews.
BTW, what branch?