Neat stuff. Still needs tethering, which makes sense while it's being developed. However, reality is no match for imagination. When I was a kid the TV show Voy

Neat stuff. Still needs tethering, which makes sense while it's being developed. However, reality is no match for imagination. When I was a kid the TV show Voyage to the Bottom of the Sea was popular. One of the absolute coolest things was the Flying Sub[1][2]: 36 foot wide and long, flying submersible, aptly called the "Flying Sub" ... It was deployed through bomb-bay like doors. As it broke the surface, its engines could generate enough thrust for the vehicle to take off and fly at supersonic speeds. [1] https://en.wikipedia.org/wiki/USOS_Seaview#Refit_and_the_Flying_Sub https://en.wikipedia.org/wiki/USOS_Seaview#Refit_and_the_Fly... [2] https://www.youtube.com/watch?v=WHNNXVZ1mYg https://www.youtube.com/watch?v=WHNNXVZ1mYg