1968 – AUTEC I and II Submersibles – General Dynamics (American)

1968 – AUTEC I and II Submersibles by the Electric Boat Division of General Dynamics. Designated TURTLE and SEA CLIFF by the U.S. Navy. Press Release – 1968 – Escape Capsule GROTON, CONN.:  This artist's concept of an AUTEC Research Submarine shows the use of tools selected from an external tool compartment. In an emergency …