“Living in civilization is hard for me,” he writes after one lengthy hospital stay. So what has he learned, in a lifetime ...

Living alone as a man can be seen as the ultimate display of self-reliance. You're the master of your domain, answering to no one but yourself. No compromises on decor, no arguments over chores ...

The downside is you are one man—alone—with the responsibility for everyone. If you fail, everyone dies. Do the qualifications for combat controllers exceed those required by the other U.S ...