Naval Submarine Medical Research Laboratory

Naval Submarine Medical Research Laboratory The Naval Submarine Medical Research Laboratory (NSMRL) is located on the New London Submarine Base in Groton, Connecticut. This is a violation of privacy. Navy.

Welcome to the page for the Naval Submarine Medical Research Laboratory (NSMRL). This page is intended to provide updated information and discussion from NSMRL. Please visit our official homepage at https://www.med.navy.mil/Naval-Medical-Research-Command/R-D-Commands/Naval-Submarine-Medical-Research-Laboratory/

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- For Official Use Only (FOUO), classified, pre-decisional, proprietary, or business-sensitive information should never be discussed here. Don’t post personnel lists, rosters, organization charts, or directories. For information about Operations Security, contact the Naval OPSEC Support Team at [email protected]. For information about how to report a crime and issues such as direct knowledge of explicit photos taken without consent, visit http://www.ncis.navy.mil/pages/NCISTips.aspx. The appearance of external links or "Liked" pages on this site does not constitute official endorsement on behalf of the U.S. Navy or Department of Defense. You are encouraged to quote, republish, or share any content on this page on your own blog, web site, or other communication/publication. If you do so, please credit the command or the person who authored the content as a courtesy (photo or article byline can be U.S. Navy or Mass Communication Specialist 2nd Class Joe Smith, for example). Thank you for your interest in and support of the men and women of the U.S. For more information, visit the DoD Social Media user agreement at https://dodcio.defense.gov/Social-Media. Navy Medicine's research and development laboratories are engaged in a broad spectrum of activity from basic science in the laboratory to field studies at sites in remote areas of the world to operational environments. The capabilities and the geographical locations of the laboratories reflect the broad mission of Navy Medicine's Research and Development Enterprise. With a cadre of scientific leadership and technical expertise focusing on force health protection and enhancing deployment readiness, the research teams represent years of experience in science, medicine, and the military. NSMRL delivers evidence-based solutions that enhance undersea warfighter health and performance. NSMRL researchers have local access to Submarine Squadrons 4 and 12, the Naval Submarine School, the Naval Submarine Support Center, the Naval Undersea Medical Institute, the Undersea Warfighting Development Center, the Submarine Learning Center, and an important center of submarine design, construction, and lifecycle support: General Dynamics Electric Boat. The laboratory ensures the superiority of submariners and divers by conducting research in nine core research areas: undersea warfighter health and performance, submariner psychological fitness and resiliency, human systems integration, submarine atmospheric monitoring, bioeffects of underwater sound and blast, hearing conservation, diving and hyperbaric research, disabled submarine survival, escape, and rescue, and undersea health epidemiology. NSMRL’s mission is to sustain the readiness and superiority of our undersea warriors through innovative health and performance research. NSMRL’s vision is to lead the world in delivering science solutions to ensure undersea warrior dominance. The goal is to deliver high-value, high-impact research products to support and protect today's deployed warfighters. At the same time researchers look to the readiness and well-being of future forces.

Congratulations to ND1 Connor Houtchens, who was recognized by Adm. Daryl Caudle, 34th Chief of Naval Operations, during...
04/13/2026

Congratulations to ND1 Connor Houtchens, who was recognized by Adm. Daryl Caudle, 34th Chief of Naval Operations, during a base-wide military all hands last week. Caudle presented Houtchens with a coin, recognizing the outstanding work he has done to enable the continued advancement of naval undersea research in his roles as the leading petty officer of the operations department, navy diver first class, and government purchase card authorizing officer. Through these roles ND1 Houtchens has ensured seamless continuation of the important work NSMRL does to enhance Navy and joint U.S. warfighter health and readiness. NSMRL is proud to have him as a member of the team!

Congratulations to LT Dylan Holly on being selected as NSMRL’s 2025 Junior Officer of the Year! He is recognized for his...
02/26/2026

Congratulations to LT Dylan Holly on being selected as NSMRL’s 2025 Junior Officer of the Year! He is recognized for his excellent leadership as Deputy Department Head for Warfighter Performance, commitment to the well-being of the command, and impactful work to advance undersea warfighter health and safety. LT Holly’s outstanding work in furthering NSMRL’s efforts to support Navy and joint U.S. warfighter health and readiness are in keeping with the highest traditions of the U.S. Navy. NSMRL is proud to have him as a member of the team!

NSMRL staff engage in a broad spectrum of activity, with a mission to sustain the readiness and superiority of our undersea warriors through innovative health and performance research. This mission is achieved through laboratory and field work across critical areas including submarine atmosphere environments, underwater acoustics, decompression stress in divers, submarine escape and rescue, human systems integration, hearing conservation, and epidemiology.

On 19 Feb 2026, NSMRL had the privilege of hosting RDML Robert Hawkins, Commander, Naval Medical Forces Atlantic (NMFL)....
02/20/2026

On 19 Feb 2026, NSMRL had the privilege of hosting RDML Robert Hawkins, Commander, Naval Medical Forces Atlantic (NMFL). During his visit, he received a tour of NSMRL facilities including the newly renovated Genesis hypo/hyperbaric chamber complex and state-of-the art sound suite. He was also briefed on NSMRL’s various research capabilities and current efforts. We thank RDML Hawkins for the opportunity to showcase our contributions to sustain the health and readiness of our undersea warriors!

Read all about NSMRL's recently renovated GENESIS chanber, and the work our command is doing to advance the health and r...
12/31/2025

Read all about NSMRL's recently renovated GENESIS chanber, and the work our command is doing to advance the health and readiness of our U.S. undersea warfighters!

GROTON, Conn. – Naval Submarine Medical Research Laboratory (NSMRL) marked the completion of a renovation of their hypo-hyperbaric chamber complex during a ribbon cutting in September 2025.

Sailors from Naval Submarine Medical Research Laboratory (NSMRL) participated in the Big E festival during the inaugural...
11/24/2025

Sailors from Naval Submarine Medical Research Laboratory (NSMRL) participated in the Big E festival during the inaugural Hartford-Springfield Navy Week portion of the event on Sept. 25

👇👇Read more below! 👇👇

Sailors from Naval Submarine Medical Research Laboratory (NSMRL) participated in the Big E festival during the inaugural Hartford-Springfield Navy Week portion of the event on Sept. 25.

Congratulations to NSMRL’s 2025 Sailors of the Year! HM2 Ciara Farmer was selected as the NSMRL Junior Sailor of the Yea...
11/21/2025

Congratulations to NSMRL’s 2025 Sailors of the Year! HM2 Ciara Farmer was selected as the NSMRL Junior Sailor of the Year for her outstanding performance as the Assistant Leading Petty Officer for the Operations Department, and ND1 Connor Houtchens was selected as the NSMRL Sailor of the Year for his exceptional performance as the Operations Department Leading Petty Officer. Hooyah HM2 Farmer and ND1 Houtchens!

Navy Diver 1st Class John Ahnen with Naval Submarine Medical Research Laboratory (NSMRL) was recognized by the Chamber o...
11/19/2025

Navy Diver 1st Class John Ahnen with Naval Submarine Medical Research Laboratory (NSMRL) was recognized by the Chamber of Commerce of Eastern Connecticut as their 2024-2025 Serviceperson of the Year (SPOY).

👇👇Read more at the link below!! 👇👇

NEW LONDON, Conn. (Sept. 30, 2025) - Navy Diver 1st Class John Ahnen, of Naval Submarine Medical Research Laboratory (NSMRL), receives the Sailor of the Year award from the Chamber of Commerce of Eastern Connecticut. NSMRL, part of Navy Medicine Research & Development and based out of Groton, Connec...

Fair Winds and Following Seas to LCDR Jacob Lockwood, who has departed NSMRL for the Chemical Biological Incident Respon...
11/18/2025

Fair Winds and Following Seas to LCDR Jacob Lockwood, who has departed NSMRL for the Chemical Biological Incident Response Force in Indian Head, MD. During his tenure at NSMRL, LCDR Lockwood served as the Warfighter Health and Protection Deputy Department Head, in addition to serving as an Industrial Hygienist for both NSMRL and NUMI. LCDR Lockwood helped manage NSMRL’s Submarine Atmosphere Health Assessment Program and led the development of guidelines for submarine atmospheric monitoring systems. LCDR Lockwood was an invaluable member of our team and will be missed! Hooyah LCDR!

11/17/2025

Over the past year, NSMRL has been working with the NMLPDC Visual Information Directorate to create this fantastic video highlighting our talented researchers and science support staff, and the critical research conducted at NSMRL across our nine core research areas in support of the nation’s warfighters.

Please take a moment to enjoy this short video and learn more about the important work we do here at NSMRL!

The Naval Submarine Medical Research Laboratory (NSMRL) Dive Department has completed an expansion of its dive locker, a...
09/29/2025

The Naval Submarine Medical Research Laboratory (NSMRL) Dive Department has completed an expansion of its dive locker, a project that began in summer 2022.

👇👇Read more about this below! 👇👇

The Naval Submarine Medical Research Laboratory (NSMRL) Dive Department has completed an expansion of its dive locker, a project that began in summer 2022.

This morning, NSMRL was delighted to host four members of the Naval Aerospace Experimental Psychology (AEP) community. C...
09/22/2025

This morning, NSMRL was delighted to host four members of the Naval Aerospace Experimental Psychology (AEP) community. Capt. Chris Foster, Cmdr. Brennan Cox, Lt. Sasha Brownsberger, and Lt. Brittany Neilson visited NSMRL ahead of the annual AEP Meeting in Massachusetts later this week. The group was provided with a tour of NSMRL’s facilities and an opportunity to speak with several principal investigators about current research efforts and capabilities. The tour ended with a discussion of potential opportunities for collaboration focused on common human performance challenges between the undersea and aerospace domains. Thank you to the AEP community for taking the time to visit our lab!

Wednesday afternoon, NSMRL was visited by Navy Medicine Operational Training Command (NMOTC) commanding officer, CAPT Ni...
09/12/2025

Wednesday afternoon, NSMRL was visited by Navy Medicine Operational Training Command (NMOTC) commanding officer, CAPT Nichole Olson. CAPT Olson was joined by Naval Undersea Medical Institute (NUMI) Officer-in-Charge, CAPT Michael Arnold. CAPTs Olson and Arnold were provided with a tour of NSMRL’s facilities and research capabilities and had the opportunity to talk with several NSMRL principal investigators about their current research efforts. She was also briefed on the renovation efforts in NSMRL’s Sound Suite and Genesis Chamber. We look forward to additional opportunities for collaboration with NMOTC in the future!

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BLDG 156, PO Box 900, NAVSUBASE NLON
Groton, CT
06349

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