Russia's giant submarines to invade North America

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Chapters:
0:00 - Russia has a problem
1:20 - World War 2
2:19 - Secret chapter
3:29 - Project 621 (no 1)
6:06 - Project 626 (no 2)
9:09 - Lets go bigger!
12:57 - What happened next?

In this video, we dive into the fascinating world of amphibious assault submarines. While the concept of these submarines, which are the theoretical equivalent of amphibious assault ships, has been explored by both the United States and the Soviet Union, none have ever been built. However, converted or standard submarines have often been used to transport small groups of soldiers or supplies.

In the Soviet Union, submarines played a crucial role during World War II, shuttling weapons, supplies, and special forces into besieged areas or behind enemy lines, notably during the siege of Sevastopol. After the war, the Soviets proposed Project 621, a landing ship-transport submarine that would have been one of the largest submarines of its time. It was designed to carry a full infantry battalion, tanks, trucks, cannons, and even fighter aircraft. Unfortunately, Project 621 was never built.

Undeterred, the Soviets continued to explore larger and more ambitious designs, such as Project 664 and Project 748. These submarines were intended to have additional capabilities, including underway replenishment for other submarines and submarine rescue. However, the complexity of combining these various functions, along with the need for nuclear propulsion, proved challenging, and these projects were eventually abandoned.

Meanwhile, in the United States, preliminary designs for submarine transports were also explored. In the 1950s, a massive 10,000-ton submarine capable of carrying 2,240 Marines was proposed. However, the extent of the U.S. Navy's design efforts in this area never reached the scale of the Soviet projects. Instead, older submarines were often refitted for transport purposes, particularly for covert operations and special forces deployments.

Although the amphibious assault submarine remains a theoretical concept, the ideas and lessons learned from these projects have influenced subsequent developments in the field. Join us as we explore the history and potential future of these remarkable vessels and their impact on naval warfare.

Make sure to subscribe to "Found and Explained" for more intriguing insights into historical and technological wonders!

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[FoundAndExplained]

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[moldypotato]

Project 621 was intended to carry T-34s, not T-35s. The T-35 is a failed multi-turreted heavy tank from the 1930s whereas the T-34 was a widely successful medium tank which would've been much more suited given its size and smaller crew.

[ramranch]

12:00 please tell me im not the only one who hears him say "717" funny

[dannypipewrench]

Fun fact: there are more planes in the ocean than submarines in the sky.

[Administrator...]

Japan: It's crazy to think we can fit a plane into a submarine😬😬😬
USSR: hold my vodka👹👹👹

[Chris-okzo]

The fact that one of the designs is called "Project 626" itches that Disney movie part of my brain.

[ozxcvbnm]

Looks like something out of the C&C Red Alert Series.

[FoundAndExplained]

So todays video we put a ton of work into! it took some very talented people many weeks to make and I hope you appreciate it :) thanks so much for watching!

[bcnghhwk]

World In Conflict (1:03) and Freedom Fighters.
two games that pull from this "what if" concept, one storming Seattle and the other NYC, with these massive transports.
the opening of Freedom Fighters with these subs emerging and the soviet chorus singing was phenomenal.

[braydonfisher]

Assault submarine. That phrase is chilling.

[BartJBols]

These aren't science fiction. They are just big underwater cargo ships. all the tech needed for this existed and in fact Japan had something like this only a little smaller for aircraft.

[Thewayofgrass]

Why are submarines getting crazier and crazier with every episode on this channel 😅

[saltshaker]

Basically a real life Ulysses but without the mini submarine pods

[Glitch]

The ballast tanks would have to be huge on these for it to be able to submerge after unloading its cargo.

[Debbiebabe]

Imagine if one of those giant submarines, fully loaded, was hit by a torpedo.
And the torpedo *exploded*

[dextercochran]

I've seen T-72s on startup. You want to put them in an airtight container? RIP, sailors.

[chrisworthman]

They can barely invade their neighbors.

[GaniMDeviantArt]

🎶They came through the water in their submarine🎶

🎶Soviet troops packed like sardines🎶

[bthsr]

I was not expecting the Doctor Who clip, but it is very on point for not just this project, but Cold War era thinking in general.

[apokalipsx]

USA had a submarine "Project Conform" at about the same time. It has gone more into stealth direction. Some of the futuristic projects by France are going in this direction too.
Would be nice to see something about this kind of submarines here.