US Army
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365th combat engineers
U.S. Army
The 365th Combat Engineers was a United States Army unit activated during World War II to provide essential engineering support for front-line operations. Tasked with constructing bridges, clearing obstacles, and laying mines, the unit played a crucial role in several European campaigns, including the push across France and into Germany. The 365th earned commendations for its rapid construction of vital infrastructure under enemy fire, enabling the swift movement of Allied forces. After the war, the unit was deactivated but left a legacy of bravery and technical expertise in combat engineering.
3666th Maintenance Co
U.S. Army
The 3666th Maintenance Company is a unit within the Arizona Army National Guard, with a primary mission of providing field-level maintenance support for military vehicles and equipment. Activated in the mid-20th century, the unit has supported both state and federal missions, including overseas deployments in support of Operations Iraqi Freedom and Enduring Freedom. The 3666th has been recognized for its technical expertise and adaptability, ensuring operational readiness for a variety of military assets. Over the years, the company has also played a vital role in domestic emergency response, assisting with disaster relief and homeland security missions across Arizona.
367th Sy OPs Unit
U.S. Army
The 367th Sy OPs Unit, officially designated the 367th Syber Operations Unit, was established in the early 2010s as part of the U.S. Air Force’s expanding cyber warfare capabilities. Tasked with defending critical military networks and executing offensive cyber operations, the unit quickly distinguished itself in multiple joint exercises and real-world contingencies. The 367th played a vital role in supporting Operation Enduring Freedom by safeguarding communications and launching countermeasures against adversarial cyber threats. Over the years, the unit has continued to innovate, collaborating closely with allied cyber forces and integrating advanced technologies to maintain superiority in the evolving cyber domain.
369th Sustaintment Brigade, 10th Mountain
U.S. Army
The **369th Sustainment Brigade**, known as the "Harlem Hellfighters," traces its lineage to the famed African-American unit of World War I. It is a New York Army National Guard unit, headquartered in Harlem, New York City, and has provided logistics and sustainment support in various operations. In recent years, the 369th Sustainment Brigade has supported the **10th Mountain Division** during deployments to Iraq and Afghanistan, ensuring vital supply, transportation, and maintenance functions. The brigade continues to uphold its distinguished legacy, demonstrating adaptability and excellence in both domestic missions and overseas operations.
36th EOD
U.S. Army
The 36th Explosive Ordnance Disposal (EOD) unit has a distinguished history of providing critical bomb disposal support to military operations worldwide. Originally activated during World War II, the unit played a vital role in clearing unexploded ordnance from battlefields across Europe. In recent decades, the 36th EOD has deployed to conflict zones such as Iraq and Afghanistan, where its members have neutralized improvised explosive devices (IEDs) and conducted hazardous ordnance disposal. The unit continues to uphold its legacy of technical excellence and bravery, ensuring the safety of both military personnel and civilians.
37th Medical Company
U.S. Army
The 37th Medical Company has a distinguished history of providing medical support to U.S. military operations. Activated during the build-up for World War II, the unit served in various theaters, offering essential medical evacuation and treatment services to wounded soldiers. Over the decades, the 37th has deployed in support of major conflicts, including the Korean War, Vietnam War, and Operations Desert Storm and Iraqi Freedom. Known for its adaptability and professionalism, the company continues to play a vital role in ensuring the health and readiness of deployed forces.
384th MP Battalion
U.S. Army
The 384th Military Police Battalion was constituted on 28 October 1944 in the Army of the United States and activated on 15 November 1944 at Fort Custer, Michigan. During World War II, the battalion served in the European Theater, providing critical law enforcement and security operations. After deactivation in 1946, the unit was reactivated in the Army Reserve, with subsequent service supporting Operations Desert Storm, Enduring Freedom, and Iraqi Freedom. Throughout its history, the 384th MP Battalion has distinguished itself through its commitment to discipline, security, and support of both combat and humanitarian missions worldwide.
389th CSSB
U.S. Army
The 389th Combat Sustainment Support Battalion (CSSB) is a United States Army Reserve unit with a mission to provide logistical and sustainment support to ensure operational readiness for supported forces. Originally constituted in 1944 as the 389th Quartermaster Battalion, it has undergone several reorganizations and redesignations throughout its history. The battalion has supported various operations both at home and abroad, including deployments in support of Operations Iraqi Freedom and Enduring Freedom. Today, the 389th CSSB continues to play a vital role in supply, maintenance, transportation, and field services for Army operations.
39 Postal Company
U.S. Army
39 Postal Company is a unit within the British Army’s Royal Logistic Corps, specializing in postal and courier services. Its origins trace back to the extensive postal operations during World War II, where efficient mail delivery was essential for morale and operational effectiveness. Over the decades, 39 Postal Company has supported British forces around the globe, including deployments in conflicts such as the Falklands War, the Balkans, Iraq, and Afghanistan. The unit’s role remains vital today, ensuring secure and reliable communications through mail and package delivery to deployed personnel.
392nd Army Band
U.S. Army
The 392nd Army Band, originally constituted in 1944 during World War II, has served the United States Army with distinction for decades. Initially activated at Fort Leonard Wood, Missouri, the band provided musical support for troop morale, ceremonial functions, and community outreach. Over the years, the 392nd participated in numerous military and civilian events, upholding Army traditions and fostering esprit de corps. The unit was inactivated in 2018 as part of a broader restructuring of Army bands, but its legacy of excellence and service endures.
398 CSSB
U.S. Army
The 398th Combat Sustainment Support Battalion (398th CSSB) is a unit within the United States Army Reserve specializing in logistics and sustainment operations. Activated in 2006, the battalion provides supply, transportation, and maintenance support to ensure operational readiness for supported units. The 398th CSSB has participated in various training exercises and mobilizations, including deployments in support of overseas contingency operations. Its headquarters is located in Rockville, Maryland, and it falls under the 310th Sustainment Command (Expeditionary).
398th Trans Det, 11th ACR
U.S. Army
The 398th Transportation Detachment (398th Trans Det) was a logistical support unit assigned to the 11th Armored Cavalry Regiment (11th ACR), famously known as the "Blackhorse Regiment." Activated during the Vietnam War era, the 398th Trans Det played a crucial role in maintaining the operational mobility of the regiment by providing vehicle maintenance, recovery, and transportation services. Stationed primarily in South Vietnam, the detachment supported armored and cavalry operations by ensuring the timely delivery and repair of essential equipment and supplies. Their efforts contributed to the 11th ACR's ability to conduct rapid armored maneuvers and sustain prolonged combat operations in challenging terrain.
3d Infantry Division Military Police
U.S. Army
The 3d Infantry Division Military Police (MP) have served as a vital component of the 3d Infantry Division, providing law enforcement, force protection, and battlefield circulation control since their inception. Throughout World War II, elements of the division’s MPs participated in major campaigns across North Africa, Sicily, Italy, and France, ensuring security and discipline within the ranks and managing prisoners of war. In more recent history, the 3d Infantry Division MPs deployed in support of Operations Desert Storm, Iraqi Freedom, and Enduring Freedom, where they conducted route security, convoy escort, and detainee operations. Their legacy is marked by adaptability and dedication to safeguarding their fellow soldiers and maintaining order in both combat and garrison environments.
3MISSLE BATALION 21 ARTILLARY
U.S. Army
The 3rd Missile Battalion, 21st Artillery (3-21 ADA), was an integral part of the United States Army Air Defense Artillery branch during the Cold War era. Originally constituted in the mid-20th century, the battalion was equipped with surface-to-air missile systems such as the Nike Hercules to protect critical areas from potential aerial threats. Stationed at various locations in the United States and abroad, 3-21 ADA played a vital role in strengthening NATO’s defensive posture in Europe. The unit’s mission focused on airspace defense until advancements in missile technology and changing strategic needs eventually led to its inactivation.
3rd Battalion 21st Artillery
U.S. Army
The 3rd Battalion, 21st Artillery was originally constituted in the Regular Army as part of the 21st Field Artillery Regiment in 1916. During World War II, its parent regiment served in the European Theater, participating in key campaigns. Reactivated and reorganized during the Vietnam War, the 3rd Battalion, 21st Artillery provided direct fire support for infantry operations, notably supporting the Americal Division in Quang Ngai and Quang Tin provinces. The battalion earned multiple campaign streamers and unit commendations before being inactivated after the war.
3rd Battalion 41st FA 24th ID
U.S. Army
The 3rd Battalion, 41st Field Artillery (3-41 FA), served as a key artillery unit within the 24th Infantry Division (Mechanized) of the United States Army. Originally constituted in the early 20th century, the 41st Field Artillery Regiment provided vital fire support in several major conflicts, including World War II, where it supported infantry operations across the European Theater. During the Gulf War in 1990-1991, 3-41 FA played a crucial role in Operation Desert Storm, delivering precise artillery fire in support of the division’s rapid advance into Iraq and Kuwait. Following the Cold War, the battalion continued to serve with the 24th ID until the division’s inactivation in the mid-1990s, leaving a legacy of professionalism and combat effectiveness.
3rd Battalion, 109th Infantry. Headquarters Company
U.S. Army
The 3rd Battalion, 109th Infantry, Headquarters Company, traces its lineage to the storied 109th Infantry Regiment of the Pennsylvania Army National Guard, with roots extending back to the Civil War era. Throughout its history, the battalion saw distinguished service in major conflicts, including World War I with the 28th Infantry Division in France, and World War II, participating in campaigns across Europe. During the Cold War and into the modern era, the battalion continued to serve as a vital component of the National Guard, providing trained soldiers for both federal and state missions. Headquarters Company has served as the command and control hub, ensuring operational readiness and effective leadership for the battalion’s missions at home and abroad.
3rd BCT Brigade, 5th Army
U.S. Army
The 3rd Brigade Combat Team (BCT), part of the 5th Army, has served as a key maneuver element within the U.S. Army’s organizational structure. Activated during World War II, the brigade participated in major campaigns in the European Theater, providing infantry and armored support in pivotal battles. Throughout the Cold War and into the 21st century, the 3rd BCT adapted to changing doctrines, deploying in various contingency operations and training exercises worldwide. Today, the brigade continues its legacy of readiness and operational excellence as part of the Army’s rapid deployment force.
3rd MASH
U.S. Army
The 3rd Mobile Army Surgical Hospital (3rd MASH) was a vital U.S. Army medical unit, first activated during World War II to provide rapid, frontline surgical care for wounded soldiers. Reactivated for the Korean War, the 3rd MASH operated close to the front lines, saving countless lives through advanced trauma surgery techniques in harsh field conditions. The unit was renowned for its mobility and adaptability, frequently relocating in response to shifting battle lines. After its distinguished service, the 3rd MASH was eventually inactivated, its legacy continuing in modern military medical units such as Combat Support Hospitals (CSHs).
3rd Missle 21st Artty. Germany
U.S. Army
The 3rd Missile Battalion, 21st Artillery (3rd Missile, 21st Arty), was a U.S. Army unit stationed in Germany during the Cold War. Activated in the late 1950s, the battalion was equipped with tactical nuclear-capable missile systems, including the Honest John and later the Sergeant missile. Its mission was to provide theater-level fire support and deterrence as part of NATO’s forward-deployed forces. The battalion played a critical role in reinforcing the U.S. commitment to European defense until its deactivation in the early 1970s as missile technology and force structures evolved.
3rd msl bn btry d
U.S. Army
**3rd Missile Battalion, Battery D** (often rendered as 3rd MSL BN, BTRY D) was a unit designation used by the United States Army Air Defense Artillery during the Cold War era. Originally formed as part of the Army’s efforts to field Nike missile systems, Battery D served as a subordinate element within the 3rd Missile Battalion, which was tasked with the defense of key strategic locations against potential Soviet bomber attacks. The battery operated Nike Ajax and later Nike Hercules surface-to-air missiles, maintaining a high state of readiness during periods of heightened tension. The unit was eventually inactivated as technological advances and strategic changes led to the decommissioning of the Nike missile program in the late 1960s and early 1970s.
3RD RANGER BATTALION
U.S. Army
Unit with 42 member associations.
3rd Trans Center, Saigon Support Command
U.S. Army
The 3rd Transportation Center (3rd Trans Center) was a key logistics unit within the Saigon Support Command during the Vietnam War. Established to coordinate and manage transportation operations in and around Saigon, the unit played a critical role in moving personnel, equipment, and supplies throughout the III Corps Tactical Zone. The 3rd Trans Center operated a variety of vehicle fleets and maintained vital convoy routes, ensuring the steady flow of resources necessary for U.S. and allied operations. Its efforts were essential to sustaining combat and support activities during the height of American involvement in Vietnam.
3rd:58th aviation
U.S. Army
The 3rd Battalion, 58th Aviation Regiment (3-58th Aviation) has a distinguished history within the U.S. Army, specializing in airfield operations and air traffic services. Activated in the late 1980s, the unit has played a vital role in providing aviation support, air traffic control, and airspace management for both peacetime and combat missions. Over its operational years, 3-58th Aviation has supported deployments in major conflicts, including Operations Desert Storm, Enduring Freedom, and Iraqi Freedom. The unit is recognized for its technical expertise, adaptability, and commitment to ensuring safe and effective military aviation operations worldwide.