Weaponology looks at the genealogy of France's famous Foreign Legion. Which draws its ranks from other countries around the world.

Masters of stealth, lords of destruction: the U.S. Navy SEALs are the most versatile special operations force in the world. SEAL teams smash their enemies from land, sea and air using cutting-edge combat tactics and state-of-the-art equipment. Now Weaponology traces the SEALs' development from search-and-destroy missions in the jungles of Vietnam to hunting the Taliban in the highlands of Afghanistan.

Shadow warriors, the Green Berets are lords of unconventional warfare. Their mission is to train and raise armies behind enemy lines. On this episode, Weaponology explores how the Green Berets rose out the ashes of World War II to fight the clandestine conflicts of the Cold War and the post-Sept. 11 world.

The tank is the incarnation of the modern offensive spirit - a lethal combination of speed, protection, and terrifying destructive power. Come along as we reveal how the blazing forge of battle transformed the tank from the lumbering steel box of 1916 into today's swift and savage hunter. Follow the tank's family tree to discover why, after nearly 100 years, tanks are still the unstoppable cutting edge of a modern army.

The Waffen S.S. were Nazi Germany's ultimate warriors -- earning their brutal reputation in blood during World War II. Adolf Hitler's elite units destroyed their enemies with futuristic weapons systems backed up by an unrivaled fanaticism. Weaponology takes you back through time to take a closer look at the men, machines and moments that shaped Hitler's henchmen.

The Army Rangers are the hammer and anvil of U.S. military might. Men of steel, forged in the fire of every major conflict from the beaches of D-Day to the streets of Baghdad, the Rangers are the elite assault-and-ambush team of the U.S. Army. Weaponology shows viewers how the U.S. Army Rangers always ride the cutting edge of military technology to get the job done.

Members of Russia's elite fighting force work in counter terrorist strike squads and special operations. Go behind the scenes of Russia's super soldiers and see why the world fears the word Spetsnaz!

From the first moment that man took to the skies, he realized the potential of using aircraft to assault the enemy from the air. In World War 1, pilots dropped bombs out of the cockpit by hand. Eight decades later, the bomber went intercontinental, supersonic, eluded radar and dropped bombs with precision accuracy. Built to carry the fight to the enemy, there's no hiding place from 21st Century bombers and their bombs.

Combat Engineers build with one hand, and destroy with the other. First onto the battlefield they have got the nuts, and bolts, to build bridges, blow up obstacles, diffuse landmines, take out bunkers and detect I.E.D's.

From 18th-century German Jaeger rifles to the modern Barrett AS50, see how centuries of technological innovation have resulted in firearms that can kill at 2,000 yards. The history of bullets, guns, sights, actions, camouflage and tactics are all unravelled as Weaponology gets locked and loaded.

Follow the history of the combatants last line of defense, from the armor od medieval knights to the latest revolutionary invention: Dragon Skin. Find out how a priest invented the first bullet-proof vest, and how a pizza boy came up with the concealable body armor.

The modern battlefield is swept by lethal cyclones of fire and steel making them vast killing fields for unprotected infantry. We take you on a journey charting the development of some of the infantryman's best friends: dashing recon vehicles, armored personnel carriers, and bristling gun trucks to protect vital convoys. See how these vehicles slug it out with the enemy to keep the guys on the ground alive, informed and ready for action.

Fire is the oldest, most feared weapon known to man. Take a journey through time to see how ancient Greek Fire set seas alight, destroying naval fleets; how World War II incendiary bombs unleashed firestorms in enemy cities; why napalm became one of the lasting images of the Vietnam War; and how all of these weapons have been surpassed by the awesome destructive power of today's thermobaric bombs.

One man, one weapon, lots of bullets. From the cumbersome but deadly Gatling Gun to the lightweight hand-held firepower of the modern battlefield. we trace the men and breakthroughs that gave birth to the most deadly family of infantry weapons.

With cutting-edge science and awesome firepower, Vertical Take-Off aircraft are the most versatile and innovative weapons in modern warfare. Exploring the development of engine design, advanced avionics, target and survival systems, we show how helicopters and VTO are an essential component of air power on 21st -century battlefields.

With a bulldog spirit, the royal marine commandos are a pup that loves to bite. They are all-terrain tsunami, military chameleons who attack the enemy amphibiously, in the mountains, skies and on land.

Carrying nuclear missiles of unimaginable destructive power, torpedoes capable of wiping out entire fleets, and special forces for clandestine missions, today's subs are the ultimate marine warfare package. We trace the submarine's ancestry from the first submersibles to today's Virginia-Class attack submarines.

When a soldier is pinned down, sometimes he can only rely on the weapons he carries with him. He might be facing a tank, he might be pinned down by a machine gun nest, and he might take heat from planes and choppers. When that moment comes, hand grenades and RPG's become a soldier's best friend.

Strap yourself in for the extraordinary history of fighter planes - the most versatile and terrifying weapons in modern warfare. Exploring the development of engine power, wings, maneuverability and ejection systems, see how fighter jets now rule the land and sky.

Long ago christened the "King of Battle", heavy guns are always evolving to keep pace with warfare. From catapults to cannon, ballista to battleships, gunpowder to giant superguns, we chart the evolution and the sheer power of this mind-shattering dynasty of destruction.

With a motto that reads "Who Dares Wins," the SAS are at the cutting edge of global special forces operations. The SAS go in where it hurts to take out the trash using deep insertion behind enemy lines and have revolutionized the global war on terrorism.

Dangerous and infinitely adaptable, traps are the hidden killers of the battlefield. For millennia they've maimed, killed and psychologically defeated the enemy, making the safe unsafe. We trace their ancestry through centuries of global conflicts and technological innovation to show you what's gone into today's latest and greatest traps.

The United States Marine Corps is the ultimate combined arms force. This well-oiled military machine unites beach-assault vehicles, devastating air support and battle-hardened riflemen. Now Weaponology traces the U.S.M.C.'s development from its beginning as a group of shipboard warriors in the 18th century to the ultimate all arms force operating in Iraq today.