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380,507 members•14,705 units
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1:1st
U.S. Marine Corps
Certainly! The designation "1/1st" often refers to the 1st Battalion of the 1st Regiment in British or Commonwealth military tradition, and was commonly used during World War I to distinguish first-line Territorial Force units. The 1/1st Battalion was typically composed of pre-war volunteers and was mobilized for active service at the outbreak of war in 1914. After initial training in the United Kingdom, the battalion was deployed to major theaters such as the Western Front, where it participated in key battles and endured the hardships of trench warfare. Over the course of the war, the 1/1st earned a reputation for discipline and bravery, contributing significantly to the regiment’s battle honors before being demobilized or reorganized at the war’s end.
2:4th Marines
U.S. Marine Corps
The 2nd Battalion, 4th Marines (2/4) is an infantry battalion of the United States Marine Corps, originally activated in 1914 in response to political instability in the Caribbean. The unit saw distinguished service in World War II, notably during the battles of Guam and Okinawa. During the Vietnam War, 2/4 earned the nickname "The Magnificent Bastards" for their fierce fighting in places like Con Thien and Operation Hastings. In recent decades, 2/4 has deployed to Iraq and Afghanistan, continuing its legacy of bravery and adaptability in modern combat operations.
1:6TH MARINES
U.S. Marine Corps
The 1/6TH MARINES, also known as the 1st Battalion, 6th Marines, is a Marine Corps infantry battalion based out of Camp Lejeune, North Carolina. They are part of the 2nd Marine Division and are trained to conduct amphibious and expeditionary operations. The battalion has a rich history of service, having been activated during World War II and participating in numerous conflicts since then. They are known for their discipline, readiness, and professionalism in carrying out their missions.
3rd Marine Aircraft Wing
U.S. Marine Corps
The 3rd Marine Aircraft Wing (3rd MAW) was commissioned on November 10, 1942, at Marine Corps Air Station Cherry Point, North Carolina, to provide air support for Marine ground forces during World War II. Throughout the war, the wing played a crucial role in the Pacific Theater, participating in campaigns such as the Battle of Okinawa. During the Korean and Vietnam Wars, the 3rd MAW continued to provide vital air power, including close air support, assault support, and air reconnaissance. Today, based at Marine Corps Air Station Miramar, California, the 3rd MAW remains a key element of the USMC’s aviation combat power, supporting operations worldwide.
2ND COMBAT ENGINEER BATTALION
U.S. Marine Corps
1ST RECON
U.S. Marine Corps
The 1st Reconnaissance Battalion (1st Recon) is a highly skilled unit of the United States Marine Corps, originally activated in March 1941. The battalion played a significant role during World War II, conducting amphibious reconnaissance and gathering intelligence ahead of major Pacific island assaults. In the Vietnam War, 1st Recon became renowned for deep reconnaissance missions and directing artillery and air strikes behind enemy lines. More recently, the battalion participated in Operation Iraqi Freedom and the Global War on Terror, maintaining its reputation for excellence in surveillance, intelligence gathering, and special operations.
2ND AA BN
U.S. Marine Corps
3rd Battalion, 1st Marines
U.S. Marine Corps
The 3rd Battalion, 1st Marines (3/1), known as "Thundering Third," is an infantry battalion of the United States Marine Corps, first activated in March 1941. The battalion distinguished itself during World War II with notable action in the Pacific, including campaigns at Guadalcanal, New Britain, Peleliu, and Okinawa. In the Korean War, 3/1 participated in major operations such as the Inchon Landing and the Battle of Chosin Reservoir. More recently, 3/1 has deployed in support of Operation Iraqi Freedom, including heavy combat during the Second Battle of Fallujah, as well as operations in Afghanistan.
MAG 42
U.S. Marine Corps
AMMO CO
U.S. Marine Corps

5th Marine Division
U.S. Marine Corps
The 5th Marine Division is a unit of the United States Marine Corps. It was active during World War II and played a crucial role in the Battle of Iwo Jima. The division is known for its bravery and determination in the face of intense enemy resistance. The 5th Marine Division continues to uphold its legacy of excellence and valor in service to the nation.
3:5th Marines
U.S. Marine Corps
The 3rd Battalion, 5th Marines (3/5), known as "Darkhorse," is a distinguished infantry battalion of the United States Marine Corps, activated in June 1917. The unit fought valiantly in World War I, notably at the Battle of Belleau Wood and the Meuse-Argonne Offensive. During World War II, 3/5 participated in key battles across the Pacific, including Guadalcanal and Okinawa. In recent history, 3/5 served with distinction in Iraq and Afghanistan, earning recognition for their courage and sacrifice, particularly during the intense fighting in Sangin, Afghanistan, in 2010-2011.
MCLB ALBANY GA
U.S. Marine Corps
THIRD MARINE DIVISION
U.S. Marine Corps
3:9th Marines
U.S. Marine Corps
The 3rd Battalion, 9th Marines (3/9) is a storied infantry battalion of the United States Marine Corps, originally activated in 1942 during World War II. The battalion saw combat in the Pacific Theater, including the battles of Bougainville and Guam. Reactivated for the Vietnam War, 3/9 participated in major operations such as Operation Double Eagle and the defense of Khe Sanh. In the post-Vietnam era, 3/9 served in various deployments, including Operations Desert Shield and Desert Storm, before being deactivated and later reactivated as part of the Marine Corps’ force structure realignments.
2-11
U.S. Marine Corps
US Submarine Service
U.S. Marine Corps
The US Submarine Service, also known as the Silent Service, is a branch of the United States Navy that operates submarines for various missions such as intelligence gathering, reconnaissance, and strategic deterrence. Submarines are equipped with advanced technology and weaponry to operate covertly and effectively underwater. The submarine service plays a crucial role in the US military's overall defense strategy, providing a stealthy and powerful force that can project power across the oceans. Submariners undergo rigorous training and are known for their skill, courage, and dedication to serving their country.
1:8th Marines
U.S. Marine Corps
The 1st Battalion, 8th Marines (1/8), known as "The Beirut Battalion," is an infantry battalion of the United States Marine Corps, formed in 1940. It saw extensive combat during World War II, notably at Guadalcanal, Tarawa, Saipan, Tinian, and Okinawa. In 1983, 1/8 was deployed to Beirut, Lebanon, as part of a multinational peacekeeping force, and tragically suffered heavy casualties in the Beirut barracks bombing. Since then, 1/8 has participated in numerous operations, including Desert Storm, Operation Iraqi Freedom, and Operation Enduring Freedom in Afghanistan, upholding its legacy of service and sacrifice.
PMO
U.S. Marine Corps
5-10
U.S. Marine Corps
CAMP PENDLETON
U.S. Marine Corps
1-12
U.S. Marine Corps
1ST AMTRAC BN
U.S. Marine Corps
3:4th Marines
U.S. Marine Corps
The 3rd Battalion, 4th Marines (3/4), known as "Thundering Third," is an infantry battalion of the United States Marine Corps with a storied history dating back to its activation in 1925. The battalion saw extensive combat in World War II, participating in major battles such as Guadalcanal, Guam, and Okinawa. During the Vietnam War, 3/4 earned distinction in numerous operations, including the famous seizure of Hill 881 during the Battle of Khe Sanh. In the 21st century, 3/4 deployed multiple times in support of Operations Iraqi Freedom and Enduring Freedom, continuing its legacy of valor and adaptability.