Nicholas Irving spent six years in the Army's Special Operations 3rd Ranger Battalion 75th Ranger Regiment, serving from demolitions assaulter to Master Sniper. He was the first African American to serve as a sniper in his battalion and is now the owner of HardShoot, where he trains personnel in the art of long-range shooting. He also appears on the Fox reality show American Grit. He lives in San Antonio, Texas.
Gary Brozek has co-authored nearly 20 books including 5 New York Times bestsellers.