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Submarines – Extreme Technology – Big Bigger Biggest
At 171 metres long, the USS Pennsylvania is the biggest submarine in the US Navy. It can dive deeper than a thousand feet, sail for 20 years without refuelling, and remain submerged for up to 6 months. The vessel carries a crew of 155 men and a deadly nuclear arsenal. The film investigates how this submarine was made possible through a series ...
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January 7, 1960: First Successful Test Launch of Polaris Submarine Launched Ballistic Missile - History and Headlines
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15K views · 411 reactions | North Korea confirmed it test-fired a new ballistic missile from a submarine. Professor Robert Kelly explains why this launch is significant  | Al Jazeera English | Facebook
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South Korea has conducted its first underwater-launched ballistic missile test.
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