Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

A World War II B-25 Mitchell goes from the bottom of a lake to a museum.

Andrew Jackson Higgins designs a landing craft.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Mexico's great revolution of 1910.

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Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Mexico's great revolution of 1910.

A World War II B-25 Mitchell goes from the bottom of a lake to a museum.

Andrew Jackson Higgins designs a landing craft.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Mexico's great revolution of 1910.

A family from Baghdad and an American TV cameraman embedded in the U.S. Army give their perspectives on the Iraq war and its potential aftermath; host: Bob Woodruff.

John F. Kennedy uses the RF-8 Crusader's photoreconnaissance abilities during the Cuban Missile Crisis in 1962.

Jimmy Doolittle led modified B-25 bombers on a one-way mission to attack Japan by taking off from an American aircraft carrier during World War II.

Survivors recount daring escapes from Nazi-occupied territory and POW camps.

The German battleship Bismarck.

John F. Kennedy uses the RF-8 Crusader's photoreconnaissance abilities during the Cuban Missile Crisis in 1962.

Jimmy Doolittle led modified B-25 bombers on a one-way mission to attack Japan by taking off from an American aircraft carrier during World War II.

Survivors recount daring escapes from Nazi-occupied territory and POW camps.

The German battleship Bismarck.

A family from Baghdad and an American TV cameraman embedded in the U.S. Army give their perspectives on the Iraq war and its potential aftermath; host: Bob Woodruff.

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Survivors recount daring escapes from Nazi-occupied territory and POW camps.

The German battleship Bismarck.

A family from Baghdad and an American TV cameraman embedded in the U.S. Army give their perspectives on the Iraq war and its potential aftermath; host: Bob Woodruff.

John F. Kennedy uses the RF-8 Crusader's photoreconnaissance abilities during the Cuban Missile Crisis in 1962.

Jimmy Doolittle led modified B-25 bombers on a one-way mission to attack Japan by taking off from an American aircraft carrier during World War II.

Survivors recount daring escapes from Nazi-occupied territory and POW camps.

The German battleship Bismarck.

A family from Baghdad and an American TV cameraman embedded in the U.S. Army give their perspectives on the Iraq war and its potential aftermath; host: Bob Woodruff.

Civil War Gen. William Tecumseh Sherman stands as a hero in the North and as a villain in the South.

The military's Pinnacle body armor; the Punitive Expedition against Mexico; the M-274 mechanical mule.

Host R. Lee Ermey travels to Minot Air Force Base in North Dakota, a home of B-52 bombers.

Most of the duplex-drive tanks used on D-Day sank before they reached the beaches.

A surprise attack by one of Japan's new secret weapons sends a U.S. refueling ship to the bottom of a Pacific lagoon.

The military's Pinnacle body armor; the Punitive Expedition against Mexico; the M-274 mechanical mule.

Host R. Lee Ermey travels to Minot Air Force Base in North Dakota, a home of B-52 bombers.

Most of the duplex-drive tanks used on D-Day sank before they reached the beaches.

A surprise attack by one of Japan's new secret weapons sends a U.S. refueling ship to the bottom of a Pacific lagoon.

Civil War Gen. William Tecumseh Sherman stands as a hero in the North and as a villain in the South.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

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Cardiologist Dr. Ernst von Schwarz, M.D. shows how to manage your blood pressure naturally and help protect your heart for life with My Best Heart.

Cut up to half the cost of your monthly cell phone bill; same towers, same coverage, but a lot less money; it sounds great but is it too good to be true?; join myth-busting legend Kari Byron as she takes on Big Wireless to save you money.

Most of the duplex-drive tanks used on D-Day sank before they reached the beaches.

A surprise attack by one of Japan's new secret weapons sends a U.S. refueling ship to the bottom of a Pacific lagoon.

Civil War Gen. William Tecumseh Sherman stands as a hero in the North and as a villain in the South.

The military's Pinnacle body armor; the Punitive Expedition against Mexico; the M-274 mechanical mule.

Host R. Lee Ermey travels to Minot Air Force Base in North Dakota, a home of B-52 bombers.

Most of the duplex-drive tanks used on D-Day sank before they reached the beaches.

A surprise attack by one of Japan's new secret weapons sends a U.S. refueling ship to the bottom of a Pacific lagoon.

Civil War Gen. William Tecumseh Sherman stands as a hero in the North and as a villain in the South.

The now-infamous actor becomes the target of the then-biggest manhunt in history for 12 days after his assassination of President Abraham Lincoln in 1865.

San Diego's Strategic Operations Training Center; guns and gear used by the Red Coats used against American rebels in the War of Independence.

The secret world of the Manhattan Project for development of the atomic bomb during World War II.

Diplomat Raoul Wallenberg uses his authority to issue Swedish immunity passes for as many as 100,000 Jews in Nazi-occupied Budapest.

By teaming up with the Japanese, Hitler plans to launch an atomic attack on San Francisco on August 17, 1945.

San Diego's Strategic Operations Training Center; guns and gear used by the Red Coats used against American rebels in the War of Independence.

The secret world of the Manhattan Project for development of the atomic bomb during World War II.

Diplomat Raoul Wallenberg uses his authority to issue Swedish immunity passes for as many as 100,000 Jews in Nazi-occupied Budapest.

By teaming up with the Japanese, Hitler plans to launch an atomic attack on San Francisco on August 17, 1945.

The now-infamous actor becomes the target of the then-biggest manhunt in history for 12 days after his assassination of President Abraham Lincoln in 1865.

Paid programming.

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

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Wounded Warrior Project is changing the way our nation cares for veterans and helping them thrive for a lifetime. Join Trace Adkins and Dan Nevins to learn about the journeys of four injured veterans and how no warrior is left behind.

Diplomat Raoul Wallenberg uses his authority to issue Swedish immunity passes for as many as 100,000 Jews in Nazi-occupied Budapest.

By teaming up with the Japanese, Hitler plans to launch an atomic attack on San Francisco on August 17, 1945.

The now-infamous actor becomes the target of the then-biggest manhunt in history for 12 days after his assassination of President Abraham Lincoln in 1865.

San Diego's Strategic Operations Training Center; guns and gear used by the Red Coats used against American rebels in the War of Independence.

The secret world of the Manhattan Project for development of the atomic bomb during World War II.

Diplomat Raoul Wallenberg uses his authority to issue Swedish immunity passes for as many as 100,000 Jews in Nazi-occupied Budapest.

By teaming up with the Japanese, Hitler plans to launch an atomic attack on San Francisco on August 17, 1945.

The now-infamous actor becomes the target of the then-biggest manhunt in history for 12 days after his assassination of President Abraham Lincoln in 1865.

The Greeks and the Persians fight one of the most famous battles in history at a place called Thermopylae.

Luftwaffe fighters and anti-aircraft fire decimate the first U.S. daylight bombing raids into Nazi Germany's industrial heartland on Aug. 17, 1943.

The Resistance prevents Nazis from sending a train full of prisoners to Germany.

Germany's Rudolf Hess, Adolf Hitler's deputy führer, parachuted into Scotland in 1941 in hopes of ending the war with Great Britain.

Vietnam War forward-air controllers direct jet bombers toward target.

Luftwaffe fighters and anti-aircraft fire decimate the first U.S. daylight bombing raids into Nazi Germany's industrial heartland on Aug. 17, 1943.

The Resistance prevents Nazis from sending a train full of prisoners to Germany.

Germany's Rudolf Hess, Adolf Hitler's deputy führer, parachuted into Scotland in 1941 in hopes of ending the war with Great Britain.

Vietnam War forward-air controllers direct jet bombers toward target.

The Greeks and the Persians fight one of the most famous battles in history at a place called Thermopylae.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Paid programming.

Paid programming.

See how a drug-free patch is helping people find relief-without medication.

Germany's Rudolf Hess, Adolf Hitler's deputy führer, parachuted into Scotland in 1941 in hopes of ending the war with Great Britain.

Vietnam War forward-air controllers direct jet bombers toward target.

The Greeks and the Persians fight one of the most famous battles in history at a place called Thermopylae.

Luftwaffe fighters and anti-aircraft fire decimate the first U.S. daylight bombing raids into Nazi Germany's industrial heartland on Aug. 17, 1943.

The Resistance prevents Nazis from sending a train full of prisoners to Germany.

Germany's Rudolf Hess, Adolf Hitler's deputy führer, parachuted into Scotland in 1941 in hopes of ending the war with Great Britain.

Vietnam War forward-air controllers direct jet bombers toward target.

The Greeks and the Persians fight one of the most famous battles in history at a place called Thermopylae.

The next generation of combat aircraft includes the U.S. F-22 and F-35, the Eurofighter Typhoon, the Russian Su-35 and Su-37, and China's Chengdu J-10.

The HMT Rohna's sinking in 1943 marks the greatest loss at sea of U.S. Army personnel in World War II.

U.S. troops suffered heavy casualties making a frontal assault on German fortifications at Omaha Beach during D-Day in World War II.

The dangers involved for the airmen who manned the B-17's belly guns during World War II.

U.S. Navy Seabees build and fight.

The HMT Rohna's sinking in 1943 marks the greatest loss at sea of U.S. Army personnel in World War II.

U.S. troops suffered heavy casualties making a frontal assault on German fortifications at Omaha Beach during D-Day in World War II.

The dangers involved for the airmen who manned the B-17's belly guns during World War II.

U.S. Navy Seabees build and fight.

The next generation of combat aircraft includes the U.S. F-22 and F-35, the Eurofighter Typhoon, the Russian Su-35 and Su-37, and China's Chengdu J-10.

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See how a drug-free patch is helping people find relief-without medication.

See how a drug-free patch is helping people find relief-without medication.

Paid programming.

Paid programming.

The dangers involved for the airmen who manned the B-17's belly guns during World War II.

U.S. Navy Seabees build and fight.

The next generation of combat aircraft includes the U.S. F-22 and F-35, the Eurofighter Typhoon, the Russian Su-35 and Su-37, and China's Chengdu J-10.

The HMT Rohna's sinking in 1943 marks the greatest loss at sea of U.S. Army personnel in World War II.

U.S. troops suffered heavy casualties making a frontal assault on German fortifications at Omaha Beach during D-Day in World War II.

The dangers involved for the airmen who manned the B-17's belly guns during World War II.

U.S. Navy Seabees build and fight.

The next generation of combat aircraft includes the U.S. F-22 and F-35, the Eurofighter Typhoon, the Russian Su-35 and Su-37, and China's Chengdu J-10.

Epic battles throughout history illustrate lessons taught by Sun Tzu in his "Art of War" book written in China 2,400 years ago.

In the summer of 1943, one of the greatest clashes of WWII took place on the Eastern Front--the Battle of Kursk; German and Russian armies, millions strong on each side, engaged in a fierce attack and counterattack that went on for 50 days.

In December 1944, Hitler prepared a strike force to split the Allies, hoping to destroy all Allied forces north of the Antwerp-Brussels-Bastogne line. With 22 new divisions, reequipped with tanks and Luftwaffe units to support his ground attack, Hitler was ready to surprise Allied commanders in a plan that he called Operation Grief. See how the largest pitched battle in the history of U.S. warfare became the scene of some of WWII's fiercest fighting, making the Bulge one of Hell's Battlefields.

The German counteroffensive, the Battle of the Bulge, put U.S. Gen. Omar Bradley and Hitler's Field Marshal Walter Model into direct confrontation.

Field Marshal Erwin Rommel's Afrika Korps and General Bernard Law Montgomery's Eighth Army clash over North Africa and Tunisia.

In the summer of 1943, one of the greatest clashes of WWII took place on the Eastern Front--the Battle of Kursk; German and Russian armies, millions strong on each side, engaged in a fierce attack and counterattack that went on for 50 days.

In December 1944, Hitler prepared a strike force to split the Allies, hoping to destroy all Allied forces north of the Antwerp-Brussels-Bastogne line. With 22 new divisions, reequipped with tanks and Luftwaffe units to support his ground attack, Hitler was ready to surprise Allied commanders in a plan that he called Operation Grief. See how the largest pitched battle in the history of U.S. warfare became the scene of some of WWII's fiercest fighting, making the Bulge one of Hell's Battlefields.

The German counteroffensive, the Battle of the Bulge, put U.S. Gen. Omar Bradley and Hitler's Field Marshal Walter Model into direct confrontation.

Field Marshal Erwin Rommel's Afrika Korps and General Bernard Law Montgomery's Eighth Army clash over North Africa and Tunisia.

Epic battles throughout history illustrate lessons taught by Sun Tzu in his "Art of War" book written in China 2,400 years ago.

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

Paid programming.

Paid programming.

Paid programming.

The German counteroffensive, the Battle of the Bulge, put U.S. Gen. Omar Bradley and Hitler's Field Marshal Walter Model into direct confrontation.

Field Marshal Erwin Rommel's Afrika Korps and General Bernard Law Montgomery's Eighth Army clash over North Africa and Tunisia.

Epic battles throughout history illustrate lessons taught by Sun Tzu in his "Art of War" book written in China 2,400 years ago.

In the summer of 1943, one of the greatest clashes of WWII took place on the Eastern Front--the Battle of Kursk; German and Russian armies, millions strong on each side, engaged in a fierce attack and counterattack that went on for 50 days.

In December 1944, Hitler prepared a strike force to split the Allies, hoping to destroy all Allied forces north of the Antwerp-Brussels-Bastogne line. With 22 new divisions, reequipped with tanks and Luftwaffe units to support his ground attack, Hitler was ready to surprise Allied commanders in a plan that he called Operation Grief. See how the largest pitched battle in the history of U.S. warfare became the scene of some of WWII's fiercest fighting, making the Bulge one of Hell's Battlefields.

The German counteroffensive, the Battle of the Bulge, put U.S. Gen. Omar Bradley and Hitler's Field Marshal Walter Model into direct confrontation.

Field Marshal Erwin Rommel's Afrika Korps and General Bernard Law Montgomery's Eighth Army clash over North Africa and Tunisia.

Epic battles throughout history illustrate lessons taught by Sun Tzu in his "Art of War" book written in China 2,400 years ago.

Actor and martial-arts champ Mark Dacascos explores the story of Miyamoto Musashi, the most-famous samurai in history, and trains in the weaponry and wisdom of Japan's great warriors.

Using the latest and most sophisticated technology, the F-18 Hornet is one of the foremost fighters of the 21st century.

Survivors recount daring escapes from Nazi-occupied territory and POW camps.

A massive artillery strike signals the start of Operation Cobra.

Gen. Sir Edmund "Bull" Allenby meets Gen. Otto Liman von Sanders at World War I's Battle of Megiddo.

Using the latest and most sophisticated technology, the F-18 Hornet is one of the foremost fighters of the 21st century.

Survivors recount daring escapes from Nazi-occupied territory and POW camps.

A massive artillery strike signals the start of Operation Cobra.

Gen. Sir Edmund "Bull" Allenby meets Gen. Otto Liman von Sanders at World War I's Battle of Megiddo.

Actor and martial-arts champ Mark Dacascos explores the story of Miyamoto Musashi, the most-famous samurai in history, and trains in the weaponry and wisdom of Japan's great warriors.

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Healthy Joints for Life! Episode 1 of world-renowned orthopedist and longevity researcher Dr. Rich Diana's new series on healthy aging; learn about the real causes behind joint aging, and the promising new drug, supplement and therapy options.

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Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

Paid programming.

A massive artillery strike signals the start of Operation Cobra.

Gen. Sir Edmund "Bull" Allenby meets Gen. Otto Liman von Sanders at World War I's Battle of Megiddo.

Actor and martial-arts champ Mark Dacascos explores the story of Miyamoto Musashi, the most-famous samurai in history, and trains in the weaponry and wisdom of Japan's great warriors.

Using the latest and most sophisticated technology, the F-18 Hornet is one of the foremost fighters of the 21st century.

Survivors recount daring escapes from Nazi-occupied territory and POW camps.

A massive artillery strike signals the start of Operation Cobra.

Gen. Sir Edmund "Bull" Allenby meets Gen. Otto Liman von Sanders at World War I's Battle of Megiddo.

Actor and martial-arts champ Mark Dacascos explores the story of Miyamoto Musashi, the most-famous samurai in history, and trains in the weaponry and wisdom of Japan's great warriors.

The Department of Homeland Security creates a response plan to a potential detonation of a nuclear bomb in a U.S. city.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Egyptians and Hittites, two superpowers of the ancient world, clash in a chariot battle at Kadesh that results in an unlikely victory for Pharaoh Ramses.

In 1813 the USS Chesapeake engages HMS Shannon.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Egyptians and Hittites, two superpowers of the ancient world, clash in a chariot battle at Kadesh that results in an unlikely victory for Pharaoh Ramses.

In 1813 the USS Chesapeake engages HMS Shannon.

The Department of Homeland Security creates a response plan to a potential detonation of a nuclear bomb in a U.S. city.

See how a drug-free patch is helping people find relief-without medication.

Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

Paid programming.

Paid programming.

Healthy Joints for Life! Episode 1 of world-renowned orthopedist and longevity researcher Dr. Rich Diana's new series on healthy aging; learn about the real causes behind joint aging, and the promising new drug, supplement and therapy options.

Egyptians and Hittites, two superpowers of the ancient world, clash in a chariot battle at Kadesh that results in an unlikely victory for Pharaoh Ramses.

In 1813 the USS Chesapeake engages HMS Shannon.

The Department of Homeland Security creates a response plan to a potential detonation of a nuclear bomb in a U.S. city.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Rare archival footage and survivors recount daring escapes of World War II; the events of Dec. 7, 1941, when sailors were trapped aboard the USS Oklahoma after it was attacked at Pearl Harbor.

Egyptians and Hittites, two superpowers of the ancient world, clash in a chariot battle at Kadesh that results in an unlikely victory for Pharaoh Ramses.

In 1813 the USS Chesapeake engages HMS Shannon.

The Department of Homeland Security creates a response plan to a potential detonation of a nuclear bomb in a U.S. city.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

Survivors recount daring escapes from Nazi-occupied territory and POW camps.

The German battleship Bismarck.

Just 12 hours of fighting produces nearly 23,000 casualties at the Civil War battle of Antietam.

Scientists and historians explore American Indian involvement in the Revolutionary War.

Survivors recount daring escapes from Nazi-occupied territory and POW camps.

The German battleship Bismarck.

Just 12 hours of fighting produces nearly 23,000 casualties at the Civil War battle of Antietam.

Scientists and historians explore American Indian involvement in the Revolutionary War.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

Paid programming.

See how a drug-free patch is helping people find relief-without medication.

Healthy Joints for Life! Episode 1 of world-renowned orthopedist and longevity researcher Dr. Rich Diana's new series on healthy aging; learn about the real causes behind joint aging, and the promising new drug, supplement and therapy options.

Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

Just 12 hours of fighting produces nearly 23,000 casualties at the Civil War battle of Antietam.

Scientists and historians explore American Indian involvement in the Revolutionary War.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

Survivors recount daring escapes from Nazi-occupied territory and POW camps.

The German battleship Bismarck.

Just 12 hours of fighting produces nearly 23,000 casualties at the Civil War battle of Antietam.

Scientists and historians explore American Indian involvement in the Revolutionary War.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.

For the science and psychology behind some of the greatest shots in military history, snipers deconstruct their missions, ranging from Vietnam to Iraq and Afghanistan; a Canadian sniper recounts hitting a Taliban fighter from 1.5 miles away.