USN
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FMSS CAMP PENDELTON
U.S. Navy
FN USN
U.S. Navy
The designation "FN USN" typically refers to "Fireman, United States Navy," which is an enlisted engineering rate within the U.S. Navy rather than a specific unit. The Fireman rating has its origins in the early days of steam-powered naval vessels, where Firemen were responsible for maintaining boilers and propulsion systems. Over time, the role evolved to include a broad range of engineering and mechanical tasks aboard ships and submarines, supporting essential operations. Today, U.S. Navy Firemen receive training in various engineering disciplines and often progress into specialized ratings such as Machinist’s Mate or Electrician’s Mate, playing a crucial part in maintaining fleet readiness and operational capability.
HS7
U.S. Navy
HSL-41
U.S. Navy
Helicopter Anti-Submarine Squadron Light 41 (HSL-41), also known as the "Seahawks," was established on January 21, 1983, at Naval Air Station North Island, California. It was the U.S. Navy's first squadron dedicated to training pilots and aircrew on the SH-60B Seahawk helicopter, specializing in anti-submarine and anti-surface warfare. HSL-41 played a crucial role in preparing crews for deployment to the Pacific Fleet, ensuring operational readiness through rigorous instruction and evaluation. In 2006, the squadron was redesignated as Helicopter Maritime Strike Squadron 41 (HSM-41) as part of the Navy's transition to the MH-60R Seahawk platform.
HSL-48
U.S. Navy
Helicopter Anti-Submarine Squadron Light 48 (HSL-48), known as the "Vipers," was established on September 7, 1984, at Naval Air Station Mayport, Florida. The squadron was part of the U.S. Navy’s Atlantic Fleet and operated the SH-60B Seahawk helicopter, specializing in anti-submarine warfare, anti-surface warfare, and search and rescue missions. HSL-48 detachments deployed aboard guided missile frigates, destroyers, and cruisers, providing vital aerial support and extending the fleet’s operational reach. In 2015, as part of the Navy’s transition to the MH-60R Seahawk, HSL-48 was redesignated as Helicopter Maritime Strike Squadron 48 (HSM-48), continuing its legacy of excellence in maritime helicopter operations.
INACTIVE RESERVE
U.S. Navy
IUWG2
U.S. Navy
Kamiseya Japan
U.S. Navy
Kamiseya, Japan, was the site of a significant U.S. Navy communications facility established during the post-World War II era. Originally commissioned in 1945, Naval Security Group Activity (NSGA) Kamiseya played a crucial role in signals intelligence collection and cryptologic operations throughout the Cold War. The base was instrumental during the Korean and Vietnam Wars, providing vital intelligence support to U.S. and allied forces in the Pacific region. After decades of service, the facility was closed in the late 1990s, with its missions transferred to other locations.
MCAS YUMA
U.S. Navy
MCB-74
U.S. Navy
MEDIC
U.S. Navy
MOMAG UNIT 9
U.S. Navy
NAF NAHA
U.S. Navy
NARTU NAS Alameda
U.S. Navy
Naval Air Reserve Training Unit (NARTU) NAS Alameda was established during World War II at Naval Air Station Alameda, California, to support the training and readiness of Naval Air Reserve personnel. The unit played a vital role in maintaining and preparing reserve squadrons for rapid mobilization during periods of conflict, including the Korean War and the early Cold War years. NARTU NAS Alameda provided flight training, aircraft maintenance, and operational support for a variety of naval aircraft and crews. The unit continued its mission until the realignment and eventual closure of NAS Alameda in the late 1990s as part of the Base Realignment and Closure (BRAC) process.
nas beeville texas
U.S. Navy
Naval Air Station (NAS) Beeville, located near Beeville, Texas, was established in 1943 during World War II to serve as a training base for naval aviators. Originally known as Chase Field, the facility played a key role in training pilots for carrier-based operations, particularly jet aircraft, during the Cold War era. Reactivated in 1952, NAS Beeville became renowned for its advanced jet training programs, including those for the Navy's A-4 Skyhawk and TA-4J aircraft. The base operated until its closure in 1992, after which the site was repurposed for civilian use, but its legacy as a premier naval aviation training center remains significant in U.S. military history.
NAVAL ADVISORY GROUP VIETNAM
U.S. Navy
Naval Hospital Beaufort, South Carolina
U.S. Navy
Naval Hospital Beaufort, located in South Carolina, was commissioned in 1949 to provide medical care for military personnel, retirees, and their families in the Lowcountry region. Originally established to support the nearby Marine Corps Air Station Beaufort and Marine Corps Recruit Depot Parris Island, the hospital has played a crucial role in treating service members from multiple branches. Over the decades, Naval Hospital Beaufort has expanded its facilities and services, adapting to advances in military medicine and the evolving needs of the armed forces community. Today, it continues its legacy of care, serving as a key component of Navy Medicine in the southeastern United States.
NAVAL ORDNANCE TEST UNIT
U.S. Navy
Naval Postgraduate School, Monterey, CA
U.S. Navy
The Naval Postgraduate School (NPS), located in Monterey, California, was established in 1909 as the School of Marine Engineering at the U.S. Naval Academy. In 1951, it relocated to its current campus, taking over the former Hotel Del Monte, to better serve the advanced education needs of Navy officers. Over the decades, NPS has grown into a premier graduate research university, providing advanced degrees in engineering, science, and national security to U.S. military officers and international allies. Its interdisciplinary programs and research have significantly contributed to the technological and strategic advancement of the U.S. Navy and the broader Department of Defense.
NAVAL STATION PHILADELPHIA
U.S. Navy
NAVAL SUBMARINE BASE BANGOR
U.S. Navy
Naval Support Activity Mid-South, Millington tn
U.S. Navy
Naval Support Activity Mid-South, located in Millington, Tennessee, traces its origins to 1917 when it was established as Park Field, an Army Signal Corps training base during World War I. The installation was transferred to the U.S. Navy in 1942, becoming a major center for aviation technical training and personnel management. Over the decades, the base evolved into a crucial hub for Navy human resources, housing the Navy Personnel Command and other important administrative units. Today, NSA Mid-South plays a vital role in supporting the operational readiness and administrative needs of the U.S. Navy, serving thousands of military and civilian personnel.
nAVCOMMSTA SAN JUAN PR
U.S. Navy
Naval Communication Station San Juan, Puerto Rico (NAVCOMMSTA San Juan PR) was established in the mid-20th century as part of the U.S. Navy’s global communications network. Its mission was to provide reliable radio and message traffic support to fleet units operating in the Caribbean and Atlantic regions, serving as a critical link during the Cold War era. The station supported numerous naval operations, participating in regional exercises and ensuring secure communications for both U.S. and allied forces. NAVCOMMSTA San Juan was eventually decommissioned as advances in technology and changing strategic priorities led to the consolidation of naval communications facilities worldwide.
NAVFAC CAPE HATTERAS
U.S. Navy