NSB New London Community

NSB New London
Medical Institute and Research

Medical Institute and Research

NSB New London Commands Medical Institute and Research



The Naval Undersea Medical Institute (NUMI) is responsible for providing training and technical support in undersea medicine, radiation health and related matters to meet the requirements of Navy Medicine and to provide technical support in those matters to the United States naval operating forces and activities worldwide.

NUMI is the source of training for submarine force independent-duty corpsmen, radiation health technicians, undersea medical officer candidates and radiation health officers. It also provides the Navy’s only Radiation Health Indoctrination Course for officers and enlisted personnel going to a wide variety of billets throughout the fleet. Staff members field calls from military activities all over the world on matters related to radiation health, undersea medicine and submarine medical administration.

The institute is committed to educational excellence and technical expertise, which will create a learning environment that instills competence, confidence and integrity; foster innovation, creativity and teamwork; provides graduates whose performance exceeds the expectations of our customers; and makes a positive impact on the health, safety and well-being of Sailors and Marines worldwide.

Naval Undersea Medical Institute is the former School of Submarine Medicine, which had its beginning as a division of the Submarine Medical Research Laboratory during World War II. In 1964, the school became a department of the Naval Submarine Medical Center. The name of the school was changed to Naval Undersea Medical Institute in 1973. In 1975, NUMI was designated as a detachment of the Naval Health Sciences and Education and Training Command in Bethesda, Maryland. In 1998, NUMI became a detachment of the Naval Operational Medical Institute, in Pensacola, Florida.

Curriculum for Naval Undersea Medical Institute courses is contained on the institute’s website at www.med.navy.mil/sites/nmotc/numi.


The United States Submarine Service has a long and proud tradition of developing and operating with leading-edge technologies. The Naval Submarine Medical Research Laboratory (NSMRL) is a major contributor to integrating these technologies into submarine crew operations.

The laboratory is DOD’s Center of Excellence for undersea biomedical research. Its mission is to protect the health and enhance the performance of warfighters through submarine, diving and surface biomedical research solutions.

Established in World War II to conduct mission-critical studies in night vision, sonar sound discrimination and personnel selection, NSMRL continues to serve the fleet by taking the lead in undersea human factors, sensory sciences and operational medicine.

Located on Submarine Base New London, the laboratory’s researchers have access to three submarine squadrons; the Navy Submarine School; the Naval Submarine Support Facility; the Naval Undersea Medical Institute; and the Electric Boat Division of General Dynamics, which builds the nation’s submarines.

The laboratory is staffed by a diverse group of psychologists, audiologists, physicians, physiologists and electrical, biomedical and nuclear engineers. Several colleges and universities are located in the same area, including the U.S. Coast Guard Academy, the Coast Guard R&D Center, Connecticut College and the University of Connecticut.

The laboratory’s numerous accomplishments continue to expand and include scientifically based recommendations for submarine rescue equipment procedures, submarine atmosphere monitoring, waivers for clinical medical conditions, advanced sonar system capabilities, diver and sonar safe distances and symbology for visual displays.

NSMRL is at the forefront of operational undersea research and development, as it has been for more than 50 years. Its more specific achievements include:

  • Sea Lab 1 habitat project.
  • Disabled Submarine Escape and Rescue project.
  • “Rig-for-red” viewing.
  • Development of the international orange color (air-sea rescue red).
  • Studies of nitrogen narcosis.
  • Development of saturation diving and decompression tables.
  • Development of a hearing loss simulator.
  • Performance-based screening of color vision.
  • Personnel screening and assessment for enclosed environments.
  • Effects of atmospheric constituents on health and performance in enclosed environments.
  • Underwater acoustic signal discrimination and classification.
  • Bioeffects of low-frequency underwater sound.
  • Electronic stethoscope for military use in extreme noise environments.
  • Command decision-making processes in submarines.
  • Alternate watchstanding trials on submarines.
  • Development of Antiswimmer System for Coast Guard, Navy and Joint Non-Lethal Weapon Directorate.
  • Disabled submarine survival exercises.

Arrangements for system validation are conveniently made through Submarine School New London, and sea trials with research products are coordinated through Naval Submarine Base New London in Groton, Connecticut, and Naval Undersea Warfare Center in Newport, Rhode Island.

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