Modern forensic techniques help firearms experts reveal the accuracy, power and range of ancient bullets, rockets and bombs.

Al-Qaida terrorists and Islamic radicals congregate in Fallujah, Iraq, to resist the U.S. occupation.

The behemoth serves in World War II, the Korean War, and Desert Storm.

Gunny delves into the history of the machine gun, ranging from the hand-cranked Gatling gun of the 1890s to today's rapid-firing Minigun; high-speed photography captures exploding targets in slow motion.

Gen. John Hood's decision in Franklin, Tenn., costs the lives of six Confederate generals and thousands of Southern troops.

Modern forensic techniques help firearms experts reveal the accuracy, power and range of ancient bullets, rockets and bombs.

Looks at the unique "civilian" airline known as Air America, secretly owned and operated by the CIA, which began as an outgrowth of WWII's Flying Tigers.

The American military returns to the shores of the Philippines on a secret mission to liberate 500 Allied prisoners in the Cabanatua death camp.

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There's a new Duck in town! A revolutionary ultra-compact vacuum that "ducks up" everything. Perfect for your home, car, and beyond, it's so compact it fits in a drawer or glove box, yet so powerful it tackles even the toughest messes.

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Regain independence and enjoy greater mobility with the compact design and long-lasting battery of portable oxygen.

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The Horsepower Scrubber is the waterproof, cordless and rechargeable motorized power scrubber that'll make cleaning everything in and around your home a breeze. With 5 interchangeable heads it's customizable to tackle any task!

Gen. John Hood's decision in Franklin, Tenn., costs the lives of six Confederate generals and thousands of Southern troops.

Modern forensic techniques help firearms experts reveal the accuracy, power and range of ancient bullets, rockets and bombs.

Looks at the unique "civilian" airline known as Air America, secretly owned and operated by the CIA, which began as an outgrowth of WWII's Flying Tigers.

The American military returns to the shores of the Philippines on a secret mission to liberate 500 Allied prisoners in the Cabanatua death camp.

Al-Qaida terrorists and Islamic radicals congregate in Fallujah, Iraq, to resist the U.S. occupation.

The behemoth serves in World War II, the Korean War, and Desert Storm.

Gunny delves into the history of the machine gun, ranging from the hand-cranked Gatling gun of the 1890s to today's rapid-firing Minigun; high-speed photography captures exploding targets in slow motion.

Gen. John Hood's decision in Franklin, Tenn., costs the lives of six Confederate generals and thousands of Southern troops.

Modern forensic techniques help firearms experts reveal the accuracy, power and range of ancient bullets, rockets and bombs.

Looks at the unique "civilian" airline known as Air America, secretly owned and operated by the CIA, which began as an outgrowth of WWII's Flying Tigers.

The American military returns to the shores of the Philippines on a secret mission to liberate 500 Allied prisoners in the Cabanatua death camp.

Rear Admiral Raymond Spruance is remembered as the man in charge of the victory in the Pacific Rim.

In the constant struggle to hold off ever more potent forms of attack, bunkers function in a variety of forms.

An armored cruiser sinks a few miles off 1918 Long Island, N.Y.

A new look at the turning points reveals the technology and little-known facts of the Civil War.

In the constant struggle to hold off ever more potent forms of attack, bunkers function in a variety of forms.

An armored cruiser sinks a few miles off 1918 Long Island, N.Y.

A new look at the turning points reveals the technology and little-known facts of the Civil War.

Rear Admiral Raymond Spruance is remembered as the man in charge of the victory in the Pacific Rim.

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Even if YOU do everything right to protect yourself, company and institutional data breaches are out of your control. Nearly 1 out of 4 US consumers have been a victim of identity theft. Find out how LifeLock can help protect your identity.

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Prosvent is a doctor formulated blend of rejuvenating herbs and nutrients that help protect overall prostate health.

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Promote Energy, vitality & Focus during the day and relaxation, deep sleep and restoration at night. MyMagnesium absorbs significantly better than generic magnesium.

Save thousands on car repairs.

Paid programming.

A new look at the turning points reveals the technology and little-known facts of the Civil War.

Rear Admiral Raymond Spruance is remembered as the man in charge of the victory in the Pacific Rim.

In the constant struggle to hold off ever more potent forms of attack, bunkers function in a variety of forms.

An armored cruiser sinks a few miles off 1918 Long Island, N.Y.

A new look at the turning points reveals the technology and little-known facts of the Civil War.

Rear Admiral Raymond Spruance is remembered as the man in charge of the victory in the Pacific Rim.

Weapons, both small and immense have changed history.

New evidence confirms that a man named Finkle was the lone white survivor of Custer's Last Stand.

Green Beret Terry Schappert reveals the warrior culture of U.S. special operations forces dating to the Alamo Scouts, who operated behind enemy lines during World War II.

Eight U.S. Navy ships have held the name Enterprise, but none as significant as the last two.

New evidence confirms that a man named Finkle was the lone white survivor of Custer's Last Stand.

Green Beret Terry Schappert reveals the warrior culture of U.S. special operations forces dating to the Alamo Scouts, who operated behind enemy lines during World War II.

Eight U.S. Navy ships have held the name Enterprise, but none as significant as the last two.

Weapons, both small and immense have changed history.

The Horsepower Scrubber is the waterproof, cordless and rechargeable motorized power scrubber that'll make cleaning everything in and around your home a breeze. With 5 interchangeable heads it's customizable to tackle any task!

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Regain independence and enjoy greater mobility with the compact design and long-lasting battery of portable oxygen.

Save thousands on car repairs.

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Trace Adkins and Wounded Warrior Dan Nevins share the inspiring journeys of four injured veterans and their families. Find out how you can join Wounded Warrior Project in serving those who have sacrificed so much for us.

Green Beret Terry Schappert reveals the warrior culture of U.S. special operations forces dating to the Alamo Scouts, who operated behind enemy lines during World War II.

Eight U.S. Navy ships have held the name Enterprise, but none as significant as the last two.

Weapons, both small and immense have changed history.

New evidence confirms that a man named Finkle was the lone white survivor of Custer's Last Stand.

Green Beret Terry Schappert reveals the warrior culture of U.S. special operations forces dating to the Alamo Scouts, who operated behind enemy lines during World War II.

Eight U.S. Navy ships have held the name Enterprise, but none as significant as the last two.

Weapons, both small and immense have changed history.

Nazi war criminals escape to South America, where many use their deadly training to support militaristic regimes.

Watercraft; MedEvac helicopters; spy gear from the past; new gumshoe technologies; CIA masters of disguise.

German pilots use their own aircraft to destroy American bombers on April 7, 1945.

Competitors blast clay birds mid flight with Benelli shotguns; the cross bow pits two competitors against each other.

The remaining 13 contestants' ability to tell a friend from a foe is tested; rising tension threatens the strength of the teams.

Norwegian raiders destroy a Nazi factory where Hitler was developing the atomic bomb.

German pilots use their own aircraft to destroy American bombers on April 7, 1945.

Competitors blast clay birds mid flight with Benelli shotguns; the cross bow pits two competitors against each other.

The remaining 13 contestants' ability to tell a friend from a foe is tested; rising tension threatens the strength of the teams.

Norwegian raiders destroy a Nazi factory where Hitler was developing the atomic bomb.

Nazi war criminals escape to South America, where many use their deadly training to support militaristic regimes.

Watercraft; MedEvac helicopters; spy gear from the past; new gumshoe technologies; CIA masters of disguise.

Paid programming.

There's a new Duck in town! A revolutionary ultra-compact vacuum that "ducks up" everything. Perfect for your home, car, and beyond, it's so compact it fits in a drawer or glove box, yet so powerful it tackles even the toughest messes.

Paid programming.

Even if YOU do everything right to protect yourself, company and institutional data breaches are out of your control. Nearly 1 out of 4 US consumers have been a victim of identity theft. Find out how LifeLock can help protect your identity.

Paid programming.

Prosvent is a doctor formulated blend of rejuvenating herbs and nutrients that help protect overall prostate health.

Save thousands on car repairs.

Paid programming.

The remaining 13 contestants' ability to tell a friend from a foe is tested; rising tension threatens the strength of the teams.

Norwegian raiders destroy a Nazi factory where Hitler was developing the atomic bomb.

Nazi war criminals escape to South America, where many use their deadly training to support militaristic regimes.

Watercraft; MedEvac helicopters; spy gear from the past; new gumshoe technologies; CIA masters of disguise.

German pilots use their own aircraft to destroy American bombers on April 7, 1945.

Competitors blast clay birds mid flight with Benelli shotguns; the cross bow pits two competitors against each other.

The remaining 13 contestants' ability to tell a friend from a foe is tested; rising tension threatens the strength of the teams.

Norwegian raiders destroy a Nazi factory where Hitler was developing the atomic bomb.

Nazi war criminals escape to South America, where many use their deadly training to support militaristic regimes.

Watercraft; MedEvac helicopters; spy gear from the past; new gumshoe technologies; CIA masters of disguise.

Hitler's elite special forces carry out some of the most daring raids of World War II, including the rescue of Italian dictator Benito Mussolini from his mountaintop prison.

The behemoth serves in World War II, the Korean War, and Desert Storm.

A national cemetery with 900 crew members entombed within; a symbol that epitomizes American naval sacrifice and courage.

Gunny traces the development of the machine gun; comparing World War II's Bren gun and Browning Automatic Rifle in a shooting match; special forces MP-3.

A secret manual explains how the Vietnamese defeated the United States in the 20th century and the Mongols 700 years earlier; King Mithridates; the invention of booby-traps and letter bombs; Spartacus revolts against the Roman Empire.

Parts of 15th-century armor; World War I infantry backpack; ingredients of a land mine.

Body armor; accuracy of a medieval crossbow; how World War I pilots shot through their propellers.

PT Boats sailed to the aid of Europe with great speed during World War II.

A national cemetery with 900 crew members entombed within; a symbol that epitomizes American naval sacrifice and courage.

Gunny traces the development of the machine gun; comparing World War II's Bren gun and Browning Automatic Rifle in a shooting match; special forces MP-3.

A secret manual explains how the Vietnamese defeated the United States in the 20th century and the Mongols 700 years earlier; King Mithridates; the invention of booby-traps and letter bombs; Spartacus revolts against the Roman Empire.

Parts of 15th-century armor; World War I infantry backpack; ingredients of a land mine.

Body armor; accuracy of a medieval crossbow; how World War I pilots shot through their propellers.

PT Boats sailed to the aid of Europe with great speed during World War II.

Hitler's elite special forces carry out some of the most daring raids of World War II, including the rescue of Italian dictator Benito Mussolini from his mountaintop prison.

The behemoth serves in World War II, the Korean War, and Desert Storm.

Matt's pain from his 20 year old lost limb is solved.

Paid programming.

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Alec and Kaleb interview patients and their families, and how their lives have been changed because of the life-changing pediatric specialty care they received at Shriners Hospitals for Children®.

Paid programming.

Parts of 15th-century armor; World War I infantry backpack; ingredients of a land mine.

Body armor; accuracy of a medieval crossbow; how World War I pilots shot through their propellers.

PT Boats sailed to the aid of Europe with great speed during World War II.

Hitler's elite special forces carry out some of the most daring raids of World War II, including the rescue of Italian dictator Benito Mussolini from his mountaintop prison.

The behemoth serves in World War II, the Korean War, and Desert Storm.

A national cemetery with 900 crew members entombed within; a symbol that epitomizes American naval sacrifice and courage.

Gunny traces the development of the machine gun; comparing World War II's Bren gun and Browning Automatic Rifle in a shooting match; special forces MP-3.

A secret manual explains how the Vietnamese defeated the United States in the 20th century and the Mongols 700 years earlier; King Mithridates; the invention of booby-traps and letter bombs; Spartacus revolts against the Roman Empire.

Parts of 15th-century armor; World War I infantry backpack; ingredients of a land mine.

Body armor; accuracy of a medieval crossbow; how World War I pilots shot through their propellers.

PT Boats sailed to the aid of Europe with great speed during World War II.

Hitler's elite special forces carry out some of the most daring raids of World War II, including the rescue of Italian dictator Benito Mussolini from his mountaintop prison.

The behemoth serves in World War II, the Korean War, and Desert Storm.

U.S. intelligence gathering develops during World War II through the Office of Strategic Services and the Allied Intelligence Bureau.

France builds a defensive string of forts between itself and Germany.

At the height of the Cold War, the Strategic Air Command controls thousands of nuclear weapons, planes and missiles.

During the Cold War, much of the Soviet Union's economy goes into developing weapons.

The sinking of M-256 and the Ekranopian, a secret flying ship which carried thousands of soldiers or missiles over great distances.

Aiming Civil War artillery pieces; how night-vision technology works; how to clear a minefield.

Operating the LCAC; cavalry saddles, used in the Old West; how gas masks work.

In June 1995, two U.S. Air Force F-16 fighter-bombers are engaged by surface to air missiles from Serb territory.

At the height of the Cold War, the Strategic Air Command controls thousands of nuclear weapons, planes and missiles.

During the Cold War, much of the Soviet Union's economy goes into developing weapons.

The sinking of M-256 and the Ekranopian, a secret flying ship which carried thousands of soldiers or missiles over great distances.

Aiming Civil War artillery pieces; how night-vision technology works; how to clear a minefield.

Operating the LCAC; cavalry saddles, used in the Old West; how gas masks work.

In June 1995, two U.S. Air Force F-16 fighter-bombers are engaged by surface to air missiles from Serb territory.

U.S. intelligence gathering develops during World War II through the Office of Strategic Services and the Allied Intelligence Bureau.

France builds a defensive string of forts between itself and Germany.

Prosvent is a doctor formulated blend of rejuvenating herbs and nutrients that help protect overall prostate health.

Paid programming.

Even if YOU do everything right to protect yourself, company and institutional data breaches are out of your control. Nearly 1 out of 4 US consumers have been a victim of identity theft. Find out how LifeLock can help protect your identity.

Paid programming.

Paid programming.

Paid programming.

Aiming Civil War artillery pieces; how night-vision technology works; how to clear a minefield.

Operating the LCAC; cavalry saddles, used in the Old West; how gas masks work.

In June 1995, two U.S. Air Force F-16 fighter-bombers are engaged by surface to air missiles from Serb territory.

U.S. intelligence gathering develops during World War II through the Office of Strategic Services and the Allied Intelligence Bureau.

France builds a defensive string of forts between itself and Germany.

At the height of the Cold War, the Strategic Air Command controls thousands of nuclear weapons, planes and missiles.

The sinking of M-256 and the Ekranopian, a secret flying ship which carried thousands of soldiers or missiles over great distances.

Aiming Civil War artillery pieces; how night-vision technology works; how to clear a minefield.

Operating the LCAC; cavalry saddles, used in the Old West; how gas masks work.

In June 1995, two U.S. Air Force F-16 fighter-bombers are engaged by surface to air missiles from Serb territory.

U.S. intelligence gathering develops during World War II through the Office of Strategic Services and the Allied Intelligence Bureau.

France builds a defensive string of forts between itself and Germany.

The Red Orchestra provides accurate information about Nazi secrets.

Soviet dictator Josef Stalin causes the suffering and deaths of millions of citizens while envisaging a grandiose architectural plan.

It's possible that drug dependence played a role in Adolf Hitler's decisions and bizarre behavior.

The unsung story of America's Nisei warriors of WWII, the sons of Japanese immigrants who volunteered by the thousands after Pearl Harbor and served in a segregated regiment to fight in some of the bloodiest battles of WWII.

Mortar; World War II G.I.'s personal items; American Indian arrows.

How to refuel a fighter jet in mid-air; how ships send messages using signal flags; what soldiers eat.

The 1976 raid by Israeli commandos to rescue 105 Jews and Israelis who were being held hostage at the Entebbe airport in Uganda.

It's possible that drug dependence played a role in Adolf Hitler's decisions and bizarre behavior.

The unsung story of America's Nisei warriors of WWII, the sons of Japanese immigrants who volunteered by the thousands after Pearl Harbor and served in a segregated regiment to fight in some of the bloodiest battles of WWII.

Mortar; World War II G.I.'s personal items; American Indian arrows.

How to refuel a fighter jet in mid-air; how ships send messages using signal flags; what soldiers eat.

The 1976 raid by Israeli commandos to rescue 105 Jews and Israelis who were being held hostage at the Entebbe airport in Uganda.

The Red Orchestra provides accurate information about Nazi secrets.

Soviet dictator Josef Stalin causes the suffering and deaths of millions of citizens while envisaging a grandiose architectural plan.

Prosvent is a doctor formulated blend of rejuvenating herbs and nutrients that help protect overall prostate health.

The Horsepower Scrubber is the waterproof, cordless and rechargeable motorized power scrubber that'll make cleaning everything in and around your home a breeze. With 5 interchangeable heads it's customizable to tackle any task!

Regain independence and enjoy greater mobility with the compact design and long-lasting battery of portable oxygen.

There's a new Duck in town! A revolutionary ultra-compact vacuum that "ducks up" everything. Perfect for your home, car, and beyond, it's so compact it fits in a drawer or glove box, yet so powerful it tackles even the toughest messes.

Mortar; World War II G.I.'s personal items; American Indian arrows.

How to refuel a fighter jet in mid-air; how ships send messages using signal flags; what soldiers eat.

The 1976 raid by Israeli commandos to rescue 105 Jews and Israelis who were being held hostage at the Entebbe airport in Uganda.

The Red Orchestra provides accurate information about Nazi secrets.

Soviet dictator Josef Stalin causes the suffering and deaths of millions of citizens while envisaging a grandiose architectural plan.

It's possible that drug dependence played a role in Adolf Hitler's decisions and bizarre behavior.

The unsung story of America's Nisei warriors of WWII, the sons of Japanese immigrants who volunteered by the thousands after Pearl Harbor and served in a segregated regiment to fight in some of the bloodiest battles of WWII.

Mortar; World War II G.I.'s personal items; American Indian arrows.

How to refuel a fighter jet in mid-air; how ships send messages using signal flags; what soldiers eat.

The 1976 raid by Israeli commandos to rescue 105 Jews and Israelis who were being held hostage at the Entebbe airport in Uganda.

The Red Orchestra provides accurate information about Nazi secrets.

Soviet dictator Josef Stalin causes the suffering and deaths of millions of citizens while envisaging a grandiose architectural plan.

Italy and Germany attempt to wrest control of the Suez Canal from Britain.

Contestants compete with throwing knives and slingshots; in addition to the elimination challenge, another contestant suddenly goes home.

Sgt. Pat Watkins and the SOG repel a Viet Cong invasion in 1968.

Four Army Rangers and 20 South Koreans annihilate communist forces in North Korea.

How fast a Revolutionary War soldier could fire a musket; jousting; how to dig a foxhole.

The ancient Roman pilum is designed to penetrate armor; World War II army radios; how rockets were first used on the battlefield.

Landing ship tanks weren't thought of as warships but were the first to touch the beaches from North Africa, to Sicily, to Normandy.

Sgt. Pat Watkins and the SOG repel a Viet Cong invasion in 1968.

Four Army Rangers and 20 South Koreans annihilate communist forces in North Korea.

How fast a Revolutionary War soldier could fire a musket; jousting; how to dig a foxhole.

The ancient Roman pilum is designed to penetrate armor; World War II army radios; how rockets were first used on the battlefield.

Landing ship tanks weren't thought of as warships but were the first to touch the beaches from North Africa, to Sicily, to Normandy.

Italy and Germany attempt to wrest control of the Suez Canal from Britain.

Contestants compete with throwing knives and slingshots; in addition to the elimination challenge, another contestant suddenly goes home.

Even if YOU do everything right to protect yourself, company and institutional data breaches are out of your control. Nearly 1 out of 4 US consumers have been a victim of identity theft. Find out how LifeLock can help protect your identity.

Paid programming.

Regain independence and enjoy greater mobility with the compact design and long-lasting battery of portable oxygen.

Paid programming.

How fast a Revolutionary War soldier could fire a musket; jousting; how to dig a foxhole.

The ancient Roman pilum is designed to penetrate armor; World War II army radios; how rockets were first used on the battlefield.

Landing ship tanks weren't thought of as warships but were the first to touch the beaches from North Africa, to Sicily, to Normandy.

Italy and Germany attempt to wrest control of the Suez Canal from Britain.

Contestants compete with throwing knives and slingshots; in addition to the elimination challenge, another contestant suddenly goes home.

Sgt. Pat Watkins and the SOG repel a Viet Cong invasion in 1968.

Four Army Rangers and 20 South Koreans annihilate communist forces in North Korea.

How fast a Revolutionary War soldier could fire a musket; jousting; how to dig a foxhole.

The ancient Roman pilum is designed to penetrate armor; World War II army radios; how rockets were first used on the battlefield.

Landing ship tanks weren't thought of as warships but were the first to touch the beaches from North Africa, to Sicily, to Normandy.

Italy and Germany attempt to wrest control of the Suez Canal from Britain.

Contestants compete with throwing knives and slingshots; in addition to the elimination challenge, another contestant suddenly goes home.

Plans to invade the country continue until President Truman decides to drop atomic bombs.

An unexpected North Korean attack drives United Nations forces to the sea.

MacArthur launches a successful counteroffensive until Chinese troops intervene.

United Nations forces retreat from Chinese troops in freezing weather.

President Truman relieves Gen. MacArthur of duty; negotiations break a two-year stalemate.

An unexpected North Korean attack drives United Nations forces to the sea.

MacArthur launches a successful counteroffensive until Chinese troops intervene.

United Nations forces retreat from Chinese troops in freezing weather.

President Truman relieves Gen. MacArthur of duty; negotiations break a two-year stalemate.

Plans to invade the country continue until President Truman decides to drop atomic bombs.

There's a new Duck in town! A revolutionary ultra-compact vacuum that "ducks up" everything. Perfect for your home, car, and beyond, it's so compact it fits in a drawer or glove box, yet so powerful it tackles even the toughest messes.

Prosvent is a doctor formulated blend of rejuvenating herbs and nutrients that help protect overall prostate health.

Paid programming.

Matt's pain from his 20 year old lost limb is solved.

United Nations forces retreat from Chinese troops in freezing weather.

President Truman relieves Gen. MacArthur of duty; negotiations break a two-year stalemate.

Plans to invade the country continue until President Truman decides to drop atomic bombs.

An unexpected North Korean attack drives United Nations forces to the sea.

MacArthur launches a successful counteroffensive until Chinese troops intervene.

United Nations forces retreat from Chinese troops in freezing weather.

President Truman relieves Gen. MacArthur of duty; negotiations break a two-year stalemate.

Plans to invade the country continue until President Truman decides to drop atomic bombs.

Bob Baer's investigation proves that Hitler could have successfully fled Germany after the war and disappeared into South America; the investigation also produces a more unexpected discovery.

An American minesweeper explodes and sinks off 1944 Normandy.

Small weapons can have a big impact on the battlefield.

Giant airships delivered bombs to battlefields.

After Germany first weaponized chlorine, other countries also began to weaponize chemicals; the biggest land mine in history.

An American minesweeper explodes and sinks off 1944 Normandy.

Small weapons can have a big impact on the battlefield.

Giant airships delivered bombs to battlefields.

After Germany first weaponized chlorine, other countries also began to weaponize chemicals; the biggest land mine in history.

Bob Baer's investigation proves that Hitler could have successfully fled Germany after the war and disappeared into South America; the investigation also produces a more unexpected discovery.

Paid programming.

First clinically-tested complete joint relief and repair supplement. Joint Food provides inflammation, cartilage, and synovial fluid support for aging joints.

The Horsepower Scrubber is the waterproof, cordless and rechargeable motorized power scrubber that'll make cleaning everything in and around your home a breeze. With 5 interchangeable heads it's customizable to tackle any task!

Paid programming.

Giant airships delivered bombs to battlefields.

After Germany first weaponized chlorine, other countries also began to weaponize chemicals; the biggest land mine in history.

Bob Baer's investigation proves that Hitler could have successfully fled Germany after the war and disappeared into South America; the investigation also produces a more unexpected discovery.

An American minesweeper explodes and sinks off 1944 Normandy.

Small weapons can have a big impact on the battlefield.

Giant airships delivered bombs to battlefields.

After Germany first weaponized chlorine, other countries also began to weaponize chemicals; the biggest land mine in history.

Bob Baer's investigation proves that Hitler could have successfully fled Germany after the war and disappeared into South America; the investigation also produces a more unexpected discovery.

Despite many successes, the multitude of military campaigns begin to take their toll on Rome's finances.

Technology leads from the submarine to hand-held sonar devices to help tourists catch big fish; carbon-fiber technology; radar now helps to locate people trapped in the rubble of collapsed buildings.