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Ultimate Guide to Submarines: Sonar
- A submarine's strength is its stealth, and it must rely on sonar to detect oncoming ships. Brought to you by the Discovery Channel.
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Top Sniper: IED
(3:27)
Snipers are subjected to an IED training mission.
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FutureWeapons: KRISS
(2:03)
The TDI KRISS Super V is a prototype machinegun that boasts a patented system of moving parts. Learn more by watching this video from the Discovery Channel.
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M107 Sniper Rifle
(1:51)
Learn about the M104 sniper rifle, the world's deadliest, high-powered sniper rifle.
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Top Sniper: Night Training
(2:46)
Snipers train for both day and night situations, using night optics and laser sighting.
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Top Sniper: Spotter
(2:07)
Learn the importance of not only the sniper, but the invaluable spotter on the battlefield.
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Atomic Bomb Explosion
(0:13)
On August 6, 1945, the United States dropped the first atomic bomb on the Japanese city of Hiroshima in an attempt to end World War II. See the explosion in this video.
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Alien" Exoskeleton for U.S. Army
(1:08)
In the sci-fi classic "Alien" the heroine battles a nasty alien in a mechanical exoskeleton. Today's U.S. Army is testing out an eerily similar exoskeleton to help move heavy loads and prevent back strain and fatigue. You can even punch and fight in... More »
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Ultimate Guide to Submarines: Sonar
(1:51)
A submarine's strength is its stealth, and it must rely on sonar to detect oncoming ships. Brought to you by the Discovery Channel.
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