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HOW IT WORKS: The Helicopter (720p)

LESSONS of WAR: U.S. Military Post Vietnam Era (720p)

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The Russian Supersonic Tu 144 (720p)

HOW ITS MADE: The Axe (720p)

FRONTLINE VIETNAM: The Surveillance Radars (720p)

The Ultimate Guide to Americas Wilderness (720p)

AFTER the WAR 1 / 2: Life in Germany After WWII (720p)

HOW IT WORKS: M 1 Garand WWII Rifle (720p)

HOW IT WORKS: NASA Space Walk (1080p, 60fps)

WEIRD WEAPONS: Cold War Weapons Engineering, part 2 (720p)

5000 Years of Hairstyles & Hats in 10 min (720p)

HOW IT WORKS: Air Brakes (720p)

The Space Shuttles Last Mission (1080p)

Old School Techno 1958: The 1st Cassette Tapes (720p)

The Best Night Fighter: Northrop P 61 Black Widow

HOW ITS MADE: Hoover Dam (720p)

FRONTLINE VIETNAM: U.S. Strategic Strike Command 1952 1970 (1966, 720p)

ESSENTIAL ASTRONOMY: Orbital Physics (720p)

HOW IT WORKS: The Hoover Dam (720p)

The Russian Empires Communist Revolution (720p)

CLASH of EMPIRES: The Japanese Occupation of China (720p)

Secrets of the American Axe (720p)

The Catastrophic Category 5 Hurricane Camille in 1971 (720p)

The Psychedelic Drug Movement in 1960s America (720p)