Disciplined, determined, and deadly: Navy SEAL snipers may well be the most dangerous predators on earth. Their exhaustive training makes them more than world-class marksmen. See more in Season 2, Episode 1, "Deadly Marksmen.

Before any enemy can be destroyed, it first has to be found. Reconnaissance is one of the SEALs' many areas of expertise. Their training includes extreme stealth, camouflage tactics, and more, in Season 2, Episode 2, "Enemy Territory.

When a terrorist insurgency turns Iraqi cities into cauldrons of violence, the Navy SEALs help turn the tide. Street fighting is notoriously chaotic, confusing, and violent; See more in Season 2, Episode 3, "Urban Combat.

The Navy SEALs pursue America's enemies all across the globe--hunting down the worst of the worst, and bringing them to justice. Find out more in Season 2, Episode 4, "Kill or Capture.

Extreme training and combat expertise are only part of what make the SEALs the world's most effective fighting force. What truly sets them apart is their warrior ethos: a code of honor combining courage, discipline, and unhesitating willingness to risk life and limb to accomplish the mission or aid a fallen fellow soldier. This ethos has been tested like never before over the last two decades, with relentless, unprecedented periods of combat in which the SEALs have played an outsized role. Many SEALs carry permanent injuries, and many have lost their lives--but none of them regret helping defend their nation and their brothers in arms.

Whether it is one of their own, or a civilian caught in the chaos of war, combat rescue is one of the most important--and dangerous--roles at which the Navy SEALs excel. Using the three traits they are best known for--speed, surprise, and violence of action, the SEALs are sent across the globe to take on rescue missions few others would dare attempt. From the jungles of Vietnam to the mountains of Afghanistan, the SEALs have proved time and again that when it comes to risking their own lives to bring their guys back home, they are a breed apart.

Long before President Kennedy commissioned the Navy Seals in 1962, the Navy Combat Demolition Units were running demolition, such as on D-Day when the NCDU took over 50% casualties, and the Underwater Demolition Teams were clearing beaches. We'll recount the stories of honor, valor, and commitment of these backbones of the Navy.