Tag: Trieste

1971 – Trieste II Submersible with Manipulator Arm. DSV-1 Trieste II When the submarine Thresher was lost on 10 April 1963, a committee established under Admiral Stephan [the Oceanographer of the Navy] to assess the implications of the accident concluded that the Navy did not have the operational assets to conduct missions in the deep sea. The …

Read More “1971 – Trieste II Submersible – (American)”

1961 – Trieste Submersible with Manipulator Arm by Harold Froehlich – General Mills. Image source: Manned Submersibles, Frank Bushby, 1976. The Trieste was purchased by the U.S. Navy in 1958. Development of the manipulator arm, instigated by Don Walsh, was done by Harold "Bud" Froehlich of General Mills. Based on the Model 150 arm, it was finally …

Read More “1961 – Trieste Submersible with Manipulator – Harold Froehlich (American)”