1964 – Asherah Submersible – General Dynamics (American)

Photo source: Manned Submersibles, Bushby. 1964 – Asherah Submersible by General Dynamics. Manipulator Arm: One electro-hydraulic. Made by General Dynamics. Asherah, the first commercially built American research submersible, was a two-man submarine built by General Dynamics, Groton, Connecticut, USA, and could dive to a depth of 600 feet (180 m). Commissioned in 1963 and launched …