USMC
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Over 3,064,780 active members
379,091 members•1,273 units
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HqBn, MCSA - Philadelphia. PA
U.S. Marine Corps
Headquarters Battalion, Marine Corps Support Activity (HqBn, MCSA) - Philadelphia, PA, played a vital role in supporting Marine Corps operations in the northeastern United States. Originally established to provide administrative and logistical support, the unit ensured the readiness and welfare of Marines assigned to the Philadelphia region. Over the years, HqBn, MCSA coordinated training, personnel management, and community outreach, serving as a key link between local Marines and higher headquarters. Through its dedicated service, the unit contributed to the overall mission effectiveness of the Marine Corps Reserve and active-duty components in the area.
II MEF
U.S. Marine Corps
Unit with 117 member associations.
India 3:12 The fighting third
U.S. Marine Corps
**India 3/12, "The Fighting Third,"** is a storied infantry unit with a distinguished legacy in the Indian Army. Raised during World War II, the battalion earned its nickname for its fierce combat performance in key battles across Southeast Asia. Over the decades, India 3/12 has participated in major operations, including the Indo-Pakistani wars and counter-insurgency missions, consistently demonstrating valor and professionalism. Today, "The Fighting Third" continues to uphold its proud traditions, serving as a symbol of courage and dedication within the Indian military.
K9
U.S. Marine Corps
K9 units, integrating specially trained military working dogs with skilled handlers, have played a significant role in military history since World War I. Initially used for sentry duties and message delivery, their responsibilities expanded rapidly during World War II to include mine detection, scouting, and search-and-rescue operations. Over the decades, K9 teams have been deployed in conflicts worldwide, excelling in explosive detection, tracking, and patrol missions. Today, military K9 units continue to be indispensable assets, providing security, force protection, and lifesaving capabilities across various operational environments.
Kilo Battery 1:10
U.S. Marine Corps
Kilo Battery, 1st Battalion, 10th Marines (Kilo 1/10), is an artillery unit within the United States Marine Corps, based at Camp Lejeune, North Carolina. Activated during World War II, the unit provided direct and general artillery support to Marine infantry units in key operations across the Pacific theater. Over the decades, Kilo 1/10 has participated in significant conflicts, including the Korean War, the Vietnam War, and more recent deployments to Iraq and Afghanistan as part of Operation Iraqi Freedom and Operation Enduring Freedom. The battery is renowned for its precision fire support, adaptability, and steadfast commitment to the Marine Corps' mission worldwide.
Lima Co, H&S Bn, SOI West
U.S. Marine Corps
Lima Company, Headquarters and Service Battalion (H&S Bn), School of Infantry West (SOI West), is a key training unit within the United States Marine Corps based at Camp Pendleton, California. Established to provide administration, training, and logistical support, Lima Company plays a crucial role in developing new Marines and preparing them for service within the Fleet Marine Force. Over the years, the company has adapted to evolving military doctrines and technologies, ensuring Marines are proficient in modern warfighting skills. Lima Co’s enduring mission is to instill the core values of honor, courage, and commitment, producing combat-ready Marines for service across the globe.
M.a.r.s.o.c.
U.S. Marine Corps
Marine Forces Special Operations Command (MARSOC) is the United States Marine Corps component of U.S. Special Operations Command (USSOCOM), officially established in 2006. MARSOC traces its roots to elite Marine units involved in special operations dating back to World War II, such as the Marine Raiders. Its primary mission is to provide tailored, scalable special operations forces capable of conducting direct action, special reconnaissance, and foreign internal defense worldwide. Since its inception, MARSOC operators, known as Raiders, have played key roles in the Global War on Terrorism, conducting missions in Afghanistan, Iraq, and other regions.
MAG 36
U.S. Marine Corps
Unit with 364 member associations.
MAG-43
U.S. Marine Corps
Marine Aircraft Group 43 (MAG-43) was a United States Marine Corps aviation command and control unit activated during World War II. Established in January 1943, MAG-43 was initially responsible for supporting Marine air operations in the Pacific Theater, particularly in the Solomon Islands and later in the Philippines. The unit played a significant role in the organization and direction of Marine air support, including air defense and tactical air control. After the war, MAG-43 continued to serve in various capacities before being deactivated, leaving a legacy of effective command and control within Marine aviation operations.
U.S. Marine Corps Descendant (2026 - Present)
U.S. Marine Corps Spouse (2026 - Present)
U.S. Marine Corps Military Retiree (2026 - Present)
U.S. Marine Corps Other (2025 - Present)