USMC
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Over 3,064,780 active members
380,599 members•14,705 units
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Fleet Marine Force
U.S. Marine Corps
The Fleet Marine Force (FMF) is a principal operational component of the United States Marine Corps, established in 1933 to provide a permanent organization capable of conducting amphibious operations alongside the U.S. Navy. The FMF played a pivotal role during World War II, spearheading assaults in the Pacific Theater, including at Guadalcanal, Iwo Jima, and Okinawa. Over the decades, the FMF has continued to serve as the Marine Corps’ forward-deployed force, participating in major conflicts such as the Korean War, Vietnam War, and operations in the Middle East. Today, the FMF remains vital to U.S. expeditionary power, integrating Marines and Navy personnel to project force from the sea.
8TH MARINE REGIMENT
U.S. Marine Corps
Parris Island
U.S. Marine Corps
Parris Island, located in South Carolina, is home to Marine Corps Recruit Depot Parris Island, one of the primary training sites for the United States Marine Corps since 1915. The island was first used by the Navy as a coaling station in the late 19th century before becoming a Marine Corps training facility. Throughout both World Wars, Parris Island saw massive expansions to accommodate the surge of recruits needed for combat. Today, it continues its legacy as a vital institution, shaping thousands of new Marines each year through rigorous basic training.
WEAPONS TRAINING BATTALION
U.S. Marine Corps
2nd Marine Division
U.S. Marine Corps
The 2nd Marine Division, activated on February 1, 1941, at Camp Elliott, California, is one of the United States Marine Corps' most storied combat divisions. It gained fame during World War II for its pivotal roles in the battles of Tarawa, Saipan, Tinian, and Okinawa, suffering heavy casualties but achieving crucial victories in the Pacific Theater. During the Cold War, the division remained a key component of America’s rapid deployment forces, participating in operations such as the Multinational Force in Lebanon and Operation Desert Storm. In the 21st century, the 2nd Marine Division has been actively engaged in the wars in Iraq and Afghanistan, maintaining its reputation for excellence and readiness.
4th MAW
U.S. Marine Corps
The 4th Marine Aircraft Wing (4th MAW) is the reserve aviation component of the United States Marine Corps. Activated during World War II in August 1942, the wing provided vital air support in the Pacific Theater, including participation in major campaigns such as the Battle of Okinawa. After the war, the unit was deactivated but reestablished in 1962 as part of the Marine Forces Reserve. Today, the 4th MAW consists of various squadrons and support units across the United States, providing combat-ready aviation forces to augment and reinforce active-duty Marine aviation operations.
MWHS-1
U.S. Marine Corps
KANEOHE BAY
U.S. Marine Corps
CRASH CREW
U.S. Marine Corps
ROTC
U.S. Marine Corps
SCHOOL OF INFANTRY
U.S. Marine Corps
2ND RECON
U.S. Marine Corps
The 2nd Reconnaissance Battalion (2ND RECON) is a distinguished unit of the United States Marine Corps, originally activated during World War II. It is part of the 2nd Marine Division, based at Camp Lejeune, North Carolina, and specializes in amphibious reconnaissance, surveillance, and intelligence gathering. Over its history, 2ND RECON has participated in major operations such as the Invasion of Grenada (Operation Urgent Fury), Operation Desert Storm, and multiple deployments in Iraq and Afghanistan during the Global War on Terrorism. Renowned for its rigorous training and adaptability, the battalion continues to provide critical battlefield intelligence and support to Marine Corps operations worldwide.
Marine Security Guard Battalion
U.S. Marine Corps
The Marine Security Guard Battalion (MSG BN), established in 1948, is a specialized unit of the United States Marine Corps tasked with providing security at U.S. embassies, consulates, and diplomatic missions worldwide. Its formation followed a series of security incidents at U.S. diplomatic posts, prompting the Department of State and the Marine Corps to formalize the assignment of Marines to protect American personnel and classified information abroad. Over the decades, MSGs have played critical roles in crisis situations, such as evacuations and attacks on embassies, including the 1979 Tehran embassy crisis. Today, the battalion remains a vital component of U.S. diplomatic security, with Marines serving at over 150 posts in more than 130 countries.
1:23rd Marines
U.S. Marine Corps
The 1st Battalion, 23rd Marines (1/23) is a distinguished infantry battalion in the United States Marine Corps Reserve, originally activated in November 1942 during World War II. The unit participated in key Pacific campaigns, including Roi-Namur, Saipan, Tinian, and Iwo Jima, earning a reputation for tenacity and valor. Reactivated and reorganized through subsequent decades, 1/23rd Marines have supported operations such as Desert Storm, Iraqi Freedom, and Enduring Freedom. Today, headquartered in Houston, Texas, 1/23rd continues to provide trained combat-ready Marines in support of both national defense and community missions.
CHERRY POINT, NC
U.S. Marine Corps
NEW RIVER AIR STATION
U.S. Marine Corps
SECOND MARINE DIVISION
U.S. Marine Corps
1:26th Marines
U.S. Marine Corps
The 1st Battalion, 26th Marines (1/26th Marines) is a storied infantry battalion of the United States Marine Corps. Activated during World War II in 1944, the unit saw its first major combat on Iwo Jima, contributing significantly to the island’s capture. Reactivated for the Vietnam War, 1/26th Marines participated in several key operations, including the siege of Khe Sanh in 1968, where the battalion played a vital defensive role. Over its history, 1/26th Marines has demonstrated valor and resilience in some of the Marine Corps’ most challenging battles before its eventual deactivation.
KOREA
U.S. Marine Corps
SHORE PARTY
U.S. Marine Corps
2:10th Marines
U.S. Marine Corps
The 2nd Battalion, 10th Marines (2/10) is an artillery battalion of the United States Marine Corps, established in 1941. During World War II, the unit provided vital fire support in the Pacific Theater, notably participating in the battles of Guadalcanal, Tarawa, Saipan, Tinian, and Okinawa. In subsequent decades, 2/10 has supported operations in conflicts such as the Gulf War, Operation Iraqi Freedom, and Operation Enduring Freedom in Afghanistan. Today, 2/10 continues to serve as a key component of the 2nd Marine Division, providing artillery support and enhancing the combat effectiveness of Marine forces.
1ST RADIO BN
U.S. Marine Corps
1st Radio Battalion (1ST RADIO BN) is a United States Marine Corps signals intelligence unit established in 1958. Originally activated at Camp Smith, Hawaii, the battalion has played a critical role in providing electronic warfare, signals intelligence, and communications support to Marine forces. It saw extensive action during the Vietnam War, supporting combat operations with tactical SIGINT and direction finding. Over the decades, 1ST RADIO BN has continued to support operations worldwide, including in Iraq and Afghanistan, maintaining its reputation as a premier Marine Corps intelligence asset.
CAMP LEJUNE
U.S. Marine Corps
NMCB-1
U.S. Marine Corps
Naval Mobile Construction Battalion ONE (NMCB-1), known as the "First and the Finest," was originally commissioned in 1942 during World War II as part of the U.S. Navy Seabees. The unit played a critical role in constructing bases, airfields, and other vital infrastructure in the Pacific Theater, supporting major operations such as those in Guadalcanal and Okinawa. Since World War II, NMCB-1 has deployed globally, participating in operations and humanitarian missions in Korea, Vietnam, the Middle East, and disaster relief efforts worldwide. Today, NMCB-1 remains an essential component of the Naval Construction Force, continuing its legacy of readiness and excellence in both combat and peacetime operations.