Searching for the Thresher / Some little-known details / USS Thresher (SSN-593)

This video is created for educational purposes. The film tells the story of the search for the submarine Thresher, lost at sea in April 1963.
Author's text. Voiceover: Voice converter assistance. Used for illustration: : Materials of the National Archives of the United States. Purpose of use: to show the actions of ships. Replace ability: no. The original footage was modified, dubbed, provided with sound effects, commentary and integrated into the overall plot of the film.
Music https://www.purple-planet.com
information from: "Searching for the Thresher" by Frank A. Andrews, Captain, U.S. Navy.