Fire!

"It looks like the military is once again going to require the anthrax vaccination for troops in "high risk" areas: the Middle East and Korea. The vaccination is controversial, to say the least.

I chose to take the vaccine voluntarily. It seemed to me that the risks involved were not that great, and I had a hunch that it would become required again while I was in Iraq. I decided that I might as well be further along in the series when that happened, and remove some of the headache from my tour."
Acute Politics