TV Guide American Heroes Channel Tuesday

In Kansas, Ford County Sheriff Masterson was a well-dressed gunfighter, gambler, hunter, Native-American fighter and a scout, but upholding the law came first.

Outlaw Bill Doolin and his posse, The Oklahombres, commit a plethora of bank, train and stagecoach robberies in the Oklahoma area during the 1890s.

Jim Miller, one of the most violent men who lived in the American Old West, pretends to be a devout family man despite being an outlaw and contract killer.

An exploration of the assassination of President John F. Kennedy is presented, featuring interviews with officers and family and friends of Lee Harvey Oswald.

A profile of the stars and directors of over 100-years-worth of classic films and television series, immortalizing the legend of the American cowboy.

An in-depth look is taken at the legend of the Cowboy as it's been told by classic films and television series for more than a century.

The correspondents take time to examine the family trees of the preeminent fighting vehicles and armored personnel carriers throughout history.

An incarnation of the modern offensive spirit, the tank is a lethal machine that has transformed from a lumbering steel box to an instrument of destruction.

The elite special operations forces of the U.S. Navy SEALs have developed diverse tactics for unconventional warfare since the unit was created in the 1960s.

The United States Marine Corps is a world famous all-purpose, combined arms unit that is hunting down insurgents in Iraq and Afghanistan.

The Waffen SS were elite Nazi soldiers with unrivalled devotion that served as combat troops alongside the regular army during the Second World War.

The program takes a close look at the men, machine and moments that shaped America's elite strike force, the United States Airborne.

Mack learns about a multi-caliber combat machine, naval gun, close quarter weapon and a device that can stop bomb and gun smugglers on passenger planes.

In Ohio, Richard "Mack" Machowicz checks out an armored vehicle, various ways to defend against guns, rockets and improvised explosive devices, and more.

Inflatable armor; shoulder-fired grenades; A10 Thunderbolt ground-attack plane; an assault rifle round that can remain at supersonic speeds up to 1,200 yards.

In California, Mack receives an informative lesson regarding a revolutionary unmanned bomber with the ability to take off and land atop aircraft carriers.

A secret device that can destroy terrorist bombs; a new squad weapon that can counter-attack an ambush; surface-to-air missile; sniper rifle from the U.S. Army.

Military evolution for the Taser; Earth's smartest baton round; a device that can bring a vehicle to a halt by using high-tech net capturing suicide bombers.

The most terrifying war machines, which seem impossible to stop, can't be detected, or pack an awe-inspiring amount of destructive power, are examined.

As weapon technology advances to the point that a missile can be sent through a window of a building a thousand miles away, the nature of war is changing.

Various examples of innovative military equipment from around the world are highlighted, featuring those designed to excel in speed.

The most powerful military hardware is showcased, featuring an in-depth look at battle situations where the winner and loser are determined by firepower.

Viewers can learn about a collection of the toughest military hardware in the world, designed to keep soldiers alive in dangerous circumstances.

Every machine needs power to fight, so The Military Channel showcases the war machines with the most horsepower, including the CH53 Super Stallion.

Various examples of innovative military equipment from around the world are highlighted, featuring those designed to excel in speed.

The most powerful military hardware is showcased, featuring an in-depth look at battle situations where the winner and loser are determined by firepower.

Viewers can learn about a collection of the toughest military hardware in the world, designed to keep soldiers alive in dangerous circumstances.

Every machine needs power to fight, so The Military Channel showcases the war machines with the most horsepower, including the CH53 Super Stallion.

The most terrifying war machines, which seem impossible to stop, can't be detected, or pack an awe-inspiring amount of destructive power, are examined.

As weapon technology advances to the point that a missile can be sent through a window of a building a thousand miles away, the nature of war is changing.