And I’d bet none of it was classified anything but ‘experimental’ much less approved for use on humans outside the Mil either.
There is a scene in the movie “Jarhead, in which the Marines line up and had to filled out a waiver/disclaimer for a pill they were hqaving to take. It was an antrhax vaccine, according to the papers signed. I pointed out to my wife as we were watching it recently that I remember filling out and signing that paper work and taking that pill. Were were together when I was deployed; I guess I never told her about that, though. She flipped out and started riding my backside, yet again, about going to the VA to be looked at. Her cousin who is a GW1 and GW 2 vet and a VA claims rep tells me the same thing when I talk to him.
We stood around reading the physicians desk reference on anthrax before taking it. I remember something like it had never really been used on humans.