Fleet advanced high-performance sonar suites for both submarines and surface vessels. Sound Lab personnel gained international recognition for their pioneering work in acoustics and applied their expertise to develop and introduce into the U.S. This was the principal sonar research facility operated by the Navy, and worked in close cooperation with the Naval Submarine Base and Electric Boat shipyard, both located across the Thames River in Groton. In 1996 the Navy closed the New London laboratory, and several years later the property was transferred to the State of Connecticut which invested $25 million to bring Fort Trumbull back to the condition it was in a century ago prior to its grand opening as the state's newest park in June of 2000. With the close of the Cold War, the Navy consolidated the operations of the New London facility with its Newport, R.I. At that time, the New London Laboratory was redesignated as the New London Detachment of NUWC. In 1992, the Naval Underwater Systems Center was absorbed by a newly created Naval Undersea Warfare Center (NUWC) with major divisions in Newport, Rhode Island and Keyport Washington. The result of this combination was the Naval Underwater Systems Center (NUSC). In 1970 the New London facilities were combined with undersea research and development activities in Newport, Rhode Island into a single center where the technological expertise for underwater systems could provide an organization with extensive combat control and communication expertise. Expanded research activities at the site necessitated alterations to many of the old buildings and the construction of additional new ones. Efforts also included ocean surveillance systems for continental defense against missile-launching submarines, underwater acoustic research, and Polaris command communications. NUSL had a definitive role in submarine sonar and radio communication systems and antisubmarine sonar systems for surface craft. The highly successful radio sonobuoy and submarine-installed listening sonars were developed at Fort Trumbull.Īfter the war, in 1944, the various laboratories’ work was continued under Navy control, and in 1945, New London’s Columbia and Harvard's laboratory were merged to form the Navy Underwater Sound Laboratory (NUSL) at Fort Trumbull.īetween 19 R&D focused on new scientific problems posed by the development of atomic submarines and guided missiles. Development work at the CT lab included surface craft and aircraft listening equipment, ordnance, and echo-ranging equipment. At the same time, a similar group known as the Harvard Underwater Sound Laboratory was established in Cambridge, Mass. A single building was erected at Fort Trumbull for the Columbia University Division of War Research under the sponsorship of the National Defense Research Committee (NDRC). The laboratory began in the early days of World War II in response to the need of combating the presence of German U-boats in the North Atlantic. NUSC continued the tradition of excellence in the areas of submarine warfare systems, submarine weapon systems, and surface ship sonar systems. In the 1970s, the Naval Underwater Weapons Research and Engineering Station and the Naval Underwater Sound Laboratory were merged to create the Naval Underwater Systems Center (NUSC) in Newport, RI and New London, CT. Work performed at these laboratories formed the foundation for understanding the nature and behavior of underwater sound. In 1945, the Harvard Laboratory sonar functions were merged with the Columbia Laboratory in New London, CT, to establish the Naval Underwater Sound Laboratory. During World War II, the Columbia Laboratory developed passive detection devices and Harvard produced active ASW sonar devices. The Division of War Research and Harvard Underwater Sound Laboratory, were both established in 1941.
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