A Hypothetical Flying Submarine

[hesham]

Hi,

https://i.pinimg.com/originals/c7/6a/39/c76a39a2601c3edba063582a168b7f14.jpg

 

[siegecrossbow]

I think Jules Verne wrote about this at some point.

 

[The K2]

I think Jules Verne wrote about this at some point.

I don’t think so. But Oshikawa Shunro did with Kaitei Gunkan.

1900, Oshikawa , The Submarine Battleship – The Riddle of The Sands

But the Soviets and Convair actually pursued to design such a vehicle.