"Sealab II" pt1-2 1965 US Navy Scott Carpenter Record 30 Days Undersea
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Uploaded on Nov 30, 2011
more at: http://scitech.quickfound.net/
Public domain film from the National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied.
The soundtrack was also processed with volume normalization, noise reduction, clipping reduction, and equalization (the resulting sound, though far from perfect, is far less noisy than the original).
Split with MKVmerge GUI (part of MKVToolNix), the same software can recombine the downloaded parts (in mp4 format): http://www.bunkus.org/videotools/mkvt...
US Navy film MN 10100b
part 2: http://www.youtube.com/watch?v=2-CFF4...
Submarines, Diving, Submersibles, Undersea Habitats... playlist:
SEALAB I, II, and III were experimental underwater habitats developed by the United States Navy to prove the viability of saturation diving and humans living in isolation for extended periods of time. The knowledge gained from the SEALAB expeditions helped advance the science of deep sea diving and rescue, and contributed to the understanding of the psychological and physiological strains humans can endure...
SEALAB II was launched in 1965, and unlike SEALAB I, it included hot showers and refrigeration. It was placed in the La Jolla Canyon off the coast of California, at a depth of 62 m. On August 28, 1965, the first of three teams of divers moved into what became known as the "Tilton Hilton" (Tiltin' Hilton, because of the slope of the landing site).
Each team spent 15 days in the habitat, but aquanaut/astronaut Scott Carpenter remained below for a record 30 days. In addition to physiological testing (described in the book by Radloff & Helmreich), the divers tested new tools, methods of salvage, and an electrically heated drysuit. They were aided by a bottlenose dolphin named Tuffy from the U.S. Navy Marine Mammal Program, who ferried supplies from the surface.
A sidenote from SEALAB II was a congratulatory telephone call that was arranged for Carpenter and President Lyndon B. Johnson. Carpenter was calling from a decompression chamber with helium gas replacing nitrogen, so Carpenter sounded unintelligible to operators. The tape of the call circulated for years among Navy divers before it was aired on NPR in 1999.
SEALAB III used a refurbished SEALAB II habitat, but was placed in water three times as deep. Five teams of nine divers were scheduled to spend 12 days each in the habitat, testing new salvage techniques and conducting oceanographic and fishery studies. Preparations for such a deep dive were extensive. In addition to many biomedical studies, work-up dives were conducted at the U.S. Navy Experimental Diving Unit at the Washington D.C. Navy Yard. These "dives" were not done in the open sea, but in a special hyperbaric chamber that could recreate the pressures at depths as great as 1,025 fsw (312 m)...
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