uhhh...ho-hum...? This right here says it all...
Then again, nobody thought George Zimmerman would walk either.
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But 1 to 3 sounds about right too.
Back to topic...the military, in particular, goes where its officers go. I can't think of any reason this particular vaccination should be refusable under any circumstances, they get vaccinated for everything and there are no questions asked...but this one might have a secret microchip or change your DNA.
Since the vaccine is still politically questionable, the high muckety-mucks are liable to pronounce it voluntary.