In this Mail Call video clip - Rocketbelt: Mail Call takes a ride in the rocket belt. This video clip is courtesy of The History Channel.

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In this video clip of History's Mail Call, host R. Lee Ermey takes a look at what kind of rockets were the first used in combat. In 1807 William Congreve created the Congreve Rocket which was used in the Napoleonic Wars. It weighed 32 pounds and could fire 2,000 yards in about 29 seconds.

The Bell Rocket Belt is a low-power rocket propulsion system that enables you to fly for a few seconds.

In this Monsterquest video clip, check out some video footage of an unidentified flying object. Could the images be real or could they simply be motion blur? Check out for yourself!

In this clip from "Mail Call", R. Lee Ermey takes a look at the Air Force Reserve's 53rd Weather Reconnaissance Service, known more commonly as the "Hurricane Hunters".

Could the ice sheet and low sea levels of the last great Ice Age have helped early humans travel from Europe to North America around 10,000 B.C.?

In his address before the United Nations General Assembly on March 17, 1977, President Jimmy Carter lays out his plan for advancing the cause of human rights.