The HORRORS of Submarine Crews @Unbelievabletruestories1
The HORRORS of Submarine Crews  @Unbelievabletruestories1
Uploaded December 2025 | Updated September 2026, 2 weeks ago
The REAL Horrors of Submarine Crew Life

This video traces submarine warfare from its earliest experiments to the Battle of the Atlantic and the nuclear era. It starts with Cornelis Drebbel’s 1620s craft, Bushnell’s Turtle during the American Revolution, and the Confederate H. L. Hunley in 1864, showing how early crews dealt with primitive ballast control, limited air, and simple navigation. From there, it moves into the late 19th century breakthroughs that finally made submarines practical weapons, the diesel-electric model with batteries and electric motors underwater, and the early torpedo problems that made attacks risky for the boat as well as the target.

The core of the video is World War I and World War II submarine warfare. It explains how German U-boats shifted from prize rules to unrestricted attacks once Q-ships and armed merchantmen appeared, why convoys became essential, and how anti-submarine warfare grew from hydrophones and depth charges to mines, nets, and coordinated escort tactics. For the Second World War, it covers Type VII and Type IX U-boats, wolfpack operations, Operation Drumbeat off the U.S. East Coast, and the Allied response that turned the tide: disciplined convoys, dedicated escorts with sonar and depth charges, Huff-Duff radio direction finding, and the intelligence advantage created by captured Enigma material. It also looks at the impact of aircraft patrols with radar, new weapons like the Hedgehog mortar and acoustic homing torpedoes, and why air cover made convoy attacks increasingly difficult to sustain.

Finally, the video explains how submarines changed after 1945 with nuclear propulsion. USS Nautilus and the shift to reactor power, long-duration submerged operations, air purification, onboard oxygen generation through electrolysis, and desalination for fresh water. It closes by putting modern submarines in context, showing that while the technology is far more advanced, the environment, the isolation, and the risks that define submarine service never really disappeared.

Chapters:

00:00 – Why submarine war breaks crews
00:25 – The first submarines and early disasters
04:48 – World War I: U-boats change the rules
08:56 – World War II: wolfpacks and “happy time”
11:20 – Enigma, sonar, depth charges, hedgehog
13:45 – Nuclear subs and the modern era
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The HORRORS of Submarine Crews

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