![]() In the late 1990s, Dolphin tested a new sonar system. first successful submarine-to-aircraft two-way laser communication.evaluation of a possible " fifth force of nature".development of a highly accurate target management system.development of a new Obstacle Avoidance Sonar system.development of highly accurate (10 cm) towed body position monitoring system.first successful submarine test of BQS-15 sonar system.first submarine launch of a mobile submarine simulator (MOSS) system.evaluation of various low probability of interception active sonars.evaluation of various non-acoustic ASW techniques.development of an Extreme Low Frequency (ELF) antenna for Ohio-class submarines.development of a Laser Imaging system of photographic clarity.first successful submarine-to-aircraft optical communications.In August 1969, Dolphin launched a torpedo from the deepest depth that one has ever been fired. The submarine has internal and external mounting points, multiple electronic hull connectors, and up to ten equipment racks for project use. The submarine has no snorkel mast her one hatch must be open while her diesels are running.Įmployed by both civilian and Navy activities, Dolphin is equipped with an extensive instrumentation suite that supports missions such as acoustic deep-water and littoral research, near-bottom and ocean surveys, weapons launches, sensor trials, and engineering evaluations.īecause she was designed as a test platform, Dolphin can be modified both internally and externally to allow installation of up to 12 tons of special research and test equipment. Hull openings have been minimized for structural strength and minimum hull weight, in addition to eliminating possible sources for flooding casualties. The entire design of the pressure hull has been kept as simple as possible to facilitate its use in structural experiments and trails. It is a constant diameter cylinder, closed at its ends with hemispherical heads, and utilizes deep frames instead of bulkheads. ![]() The single most significant technical achievement in the development of Dolphin is the pressure hull itself. She is presently homeported at San Diego, California and berthed at NCCOSC RDTE Division (NRaD) Pier 160. Inouye, and commissioned on 17 August 1968 with Lieutenant Commander J.R. She was launched on 6 August 1968 sponsored by Mrs. Her keel was laid down on 19 December 1964 at the Portsmouth Navy Yard, Kittery, Maine. USS Dolphin (AGSS-555) is the United States Navy's only operational diesel-electric, deep-diving, research and development submarine. ![]() 805 tons light, 861 tons full, 56 tons deadĭiesel-electric - two General Motors V71 diesel 12-cylinder, 425hp engines, two electric main motors, two 126-cell main storage batteriesġ0 knots surfaced, 7.5 knots submerged (10 knot sprint, 3-4 knots sustained)ġ2 tons on external mounting pads, six port, six starboard, forward and aft of sail
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