That was my first introduction to Wolf, and since then, we’ve become as close as brothers or closer. I’d learned within days of meeting him that he was one of the military’s secret weapons. Someone with an ability so top-secret, not many know of his existence.

My commandant had borrowed him from the green berets to come find my body because they were sure I was a goner. Before I knew it, he was part of my team, and when I put my papers in, he was right there with me, along with ...