Naval History and Heritage Command

Naval History and Heritage Command

Related Content
Topic
  • Exploration, Expeditions and Voyages
Document Type
  • Artifact
Wars & Conflicts
File Formats
  • PDF (Portable Document Format)
  • Image (gif, jpg, tiff)
Location of Archival Materials
  • NHHC

Conservation Treatment Report for Trieste 

In 1960, the Trieste became the first manned vessel to reach the bottom of Challenger Deep in the Mariana Trench, the deepest known part of the Earth's oceans. After completing her mission, she was acquired by the US Navy in 1958. She was used to photograph the underwater wreck of the submarine USS Thresher (SSN-593) shortly after her sinking. She was acquired by the US Navy in 1958. In 1980, Trieste was installed at the National Museum of the US Navy.  

The bathyscaphe Trieste underwent conservation by Terre Mare Conservation, LLC in 2015. 

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Side view of Bathyscape trieste
Published: Mon May 04 09:02:51 EDT 2020