It had been more than ten days since I had a shower. It was a sweltering summer in South Korea. I worked the night shift, plotting points on maps and playing war games. During the day I sat at the gate and made sure that only the right people visited. The forest wasn’t too different than the ones I was used to in Montana. Some of the bugs were more like the ones I’d seen in Texas. When I wasn’t working, or on guard duty,...