The sniper is a battlefield threat second to none. Mastering the art of marksmanship is critical but is only part of what makes a Navy SEAL sniper. Snipers must be able to apply the craft in an urban environment or alone on a hostile mountain top with equal effectiveness. Today's sniper must not just leverage technological advances but also have the foreknowledge to select the best rifle and gear for the mission. Increasingly, he must have the mental toughness to adapt to a constantly changing environment, gather intelligence, and truly act as a force multiplier.

In this comprehensive...