1966-7 – DOWB Submersible – General Motors (American)

 DEEP OCEAN WORK BOAT (DOWB), a two man submersible built by General Motors in the United States by General Motors AC Electronics Division, was initially launched on October l2, 1967. Windowless, it has top and bottom "fish eye" lenses, plus television cameras, for full 360 degree vision. A TV viewing system is mounted on …

1964 – Aquacopter – General Motors (American)

  AN AQUACOPTER, a two-man undersea personnel carrier fitted with claw-handed arms and capable of operating on the ocean floor, is one of the futuristic vehicles featured in the undersea set of the General Motors Futurama ride at the New York World's Fair. In an aquacopter geologists, according to GM designers, would be able to …