Military History Channel

The submarine USS Bowfin makes nine patrol runs during World War II.

Building a long-range bomber.

Muslim cleric Ayatollah Ruholla Khomeini.

The jungle warfare of the North Vietnamese Viet Cong.

Former U.S. Marines Staff Sgt. R. Lee Ermey returns to Vietnam for the first time since 1969; veterans recall their experiences from the war.

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

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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.

See why this cleaning tool replaces chemicals and hard labor!

Muslim cleric Ayatollah Ruholla Khomeini.

The jungle warfare of the North Vietnamese Viet Cong.

Former U.S. Marines Staff Sgt. R. Lee Ermey returns to Vietnam for the first time since 1969; veterans recall their experiences from the war.

The submarine USS Bowfin makes nine patrol runs during World War II.

Building a long-range bomber.

Muslim cleric Ayatollah Ruholla Khomeini.

The jungle warfare of the North Vietnamese Viet Cong.

Former U.S. Marines Staff Sgt. R. Lee Ermey returns to Vietnam for the first time since 1969; veterans recall their experiences from the war.

Czar Peter the Great creates the modern Russian navy during the late 1600s.

Fighter jets provide air defense during wartime.

The aircraft, missions and men behind air reconnaissance.

The Taliban's jihad comes to Kabul and the streets of New York.

Untold stories of China's Mao Zedong rest in guarded vaults and archives.

Fighter jets provide air defense during wartime.