https://peertube.dngr.us/videos/watch/6018312d-1d4c-4b8e-910d-075635bd6c53 WATCH NEW UPDATED VERSION: https://youtu.be/_HLFs_b1fmU Support Our Channel : https://www.patreon.com/PeriscopeFilm Made by the Reynolds Aluminum Co, the Aluminaut was an experimental deep sea exploration submarine built in 1964. The Aluminaut is credited with rescuing the DSV Alvin-2 in 1969 after it sank, and helping to locate an atomic bomb lost off the coast of Palomares, Spain in 1966. Also featured in the film is footage of the NR-1, the Navy's nuclear powered research submarine, the bathyscaphe Trieste and Trieste II, and other vessels including the Perry Cubmarine. The film also includes footage of the Ben Franklin, a research vessel built by Jaccques Piccard which drifted in the Gulf Stream in 1969. The film explores the evolution, technology, and challenges of deep-sea exploration through the use of manned submersibles. It begins by highlighting the historical milestones in oceanic descent, including William Beebe’s bathysphere and the Trieste’s record dive into the Mariana Trench. As technology advanced, submersibles like Alvin, Deep Star, and the nuclear-powered NR-1 enabled direct observation and scientific study of marine biology, geology, and underwater engineering. The film focuses on the operations of the Illuminat, a deep-diving submersible capable of reaching 15,000 feet, detailing its design, crew responsibilities, navigation techniques, and use in complex salvage missions such as retrieving experimental torpedoes. The narrative emphasizes the hazards of the deep—natural and man-made—and showcases the rigorous training and skill required of pilots and crew. Ultimately, the film celebrates mankind's growing ability to explore and understand the once-inaccessible depths of the ocean. 0:00–1:41 Opening scenes aboard a submersible vessel. Orders are exchanged as the submersible begins its descent. The mission theme is introduced with the phrase “Voyage to the Bottom of the Sea.” 2:01–2:57 Historical background on early deep-sea exploration: William Beebe’s bathysphere and the Trieste’s record-setting Mariana Trench dive. 2:59–4:34 Development of various submersibles for different depths including Alvin, Deep Star, and the nuclear-powered NR-1. The importance of viewing ports and lighting for direct observation of the ocean floor is emphasized. 5:00–6:06 Scientists begin exploring the biology of the ocean depths, observing sharks at 4,000 ft and identifying new marine life. Geological studies also begin using 3D grid tracking. 6:07–7:08 Submersibles assist in underwater engineering: servicing cables, oil fields, and performing high-profile salvage like locating the Thresher submarine and a lost H-bomb. 8:01–9:36 Pilot and sonar teams navigate deep-sea terrain, approaching underwater cliffs and hazards like currents, overhangs, and poor visibility. 9:48–12:15 Description of hazards: strong currents, sediment clouds, shipwrecks, old military ordnance, and surface traffic. Safety measures are explained. 13:01–14:42 Focus on the Illuminat submersible: design specs, crew capacity, specialized equipment, and deep-dive procedures. 15:00–16:15 Launching, towing, and operating procedures for the submersible. Manipulator arms and onboard technology are described in detail. 16:18–17:38 Crew roles explained: pilot, controller, and co-pilot manage navigation, depth, motors, and sonar using closed-circuit systems. 18:00–19:06 Operational technique: sub adjusts buoyancy to maintain neutral depth and execute precise vertical or horizontal movements. 19:09–20:27 Pilot prepares for a torpedo retrieval mission. Descent is carefully managed using ballast and descent rate tracking. 20:38–22:18 Final approach to ocean floor. Target location is confirmed and navigated toward with sonar and visual guidance. 23:06–24:46 Precise movements as the sub closes in on the torpedo. Forward control takes over to complete the retrieval. 26:06–27:15 Torpedo successfully hooked. Sub begins ascent by dropping all ballast. The mission is declared a success. 27:27–28:15 Closing reflections on the achievements of deep-sea exploration. A tribute to the technology and skilled crews that make it possible. This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD. For more information visit http://www.PeriscopeFilm.com Source: https://www.youtube.com/watch?v=RFuinrakaD4 Mirrored from Periscope Film (https://www.youtube.com/@PeriscopeFilm) Sun, 14 Jun 2026 05:41:25 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.dngr.us https://peertube.dngr.us/lazy-static/avatars/41a6fee9-7f57-42d0-a5fc-5db4f1af2e31.png https://peertube.dngr.us/videos/watch/6018312d-1d4c-4b8e-910d-075635bd6c53 All rights reserved, unless otherwise specified in the terms specified at https://peertube.dngr.us/about and potential licenses granted by each content's rightholder.