The 5th Marine Regiment is an infantry regiment of the United States Marine Corps based at Marine Corps Base Camp Pendleton, California. It is the most highly decorated regiment in the Marine Corps and falls under the command of the 1st Marine Division and the I Marine Expeditionary Force.
1st Battalion, 1st Marines (1/1) is an infantry battalion in the United States Marine Corps based out of Camp Pendleton, California, consisting of anywhere from 800 to 2,000 Marines and Sailors, but the number fluctuates depending on the battalion's mission. Falling under the command of the 1st Marine Regiment and the 1st Marine Division, they are commonly referred to as "The first of the First".
The 2nd Tank Battalion was an armored battalion of the United States Marine Corps which was based out of the Marine Corps Base Camp Lejeune, North Carolina. It fell under the command of the 2nd Marine Division and the II Marine Expeditionary Force. Beginning in 2020 the United States Marine Corps deactivated all its tank battalions in order to conform to its 2030 modernization plan. The 2nd Tank Battalion was deactivated on May 5, 2021, after 79 years of service.
2nd Light Armored Reconnaissance Battalion is a fast and mobilized armored terrestrial reconnaissance battalion of the United States Marine Corps. Their primary weapon system is the 8-wheeled LAV-25 and they fall under the command of the 2nd Marine Division and II Marine Expeditionary Force. The unit is based out of the Marine Corps Base Camp Lejeune, North Carolina. The current mission statement of the battalion is: To perform combined arms reconnaissance and security missions in support of the Ground Combat Element (GCE) of a Marine Air-Ground Task Force (MAGTF). Its mission is to conduct reconnaissance, security and economy of force operations, and, within its capabilities, limited offensive or defensive operations that exploit the unit's mobility and firepower.
3d Light Armored Reconnaissance Battalion(3D LAR BN) is a fast and mobilized armored terrestrial reconnaissance battalion of the United States Marine Corps. Their primary weapon system is the LAV-25 and they are part of the 1st Marine Division and I Marine Expeditionary Force. The unit is based out of the Marine Corps Air Ground Combat Center Twentynine Palms, California.
1st Battalion, 5th Marines (1/5) is an infantry battalion in the United States Marine Corps based out of Marine Corps Base Camp Pendleton, California consisting of approximately 800 Marines and sailors. Nicknamed Geronimo, it falls under the command of the 5th Marine Regiment and the 1st Marine Division. The battalion was formed in 1914 and has served in every major conflict that the United States has been involved in since then.
The 3rd Reconnaissance Battalion conducts amphibious and ground reconnaissance in support of the 3rd Marine Division and Marine Forces Pacific (MarForPac), operating in the commander's areas of influence. The battalion is based out of Camp Schwab, a satellite base of Marine Corps Base Camp Smedley D. Butler. It is geographically located on the Okinawa Prefecture in Japan.
3rd Battalion, 3rd Marines, abbreviated as (3/3), was an infantry battalion of the United States Marine Corps, based out of Kaneohe, Hawaii. Known as either "Trinity" or "America's Battalion", the unit normally fell under the command of the 3rd Marine Regiment of the 3rd Marine Division. When fully manned, the unit consisted of approximately 1000 U.S. Marines and United States Navy Sailors. Like most 20th century model infantry battalions of the U.S. Marine Corps, 3rd Battalion 3rd Marines was made up of three rifle companies, and a Headquarters and Services (H&S) company. The battalion was originally formed at Marine Corps Base Camp Lejeune, North Carolina in 1942 and saw action on both Bougainville and Guam during World War II, where it was awarded its first Presidential Unit Citation and Navy Unit Commendation. Marines in the battalion were also awarded one Medal of Honor and seven Navy Crosses during the war.
3rd Assault Amphibian Battalion is one of two active duty assault amphibian battalions in the United States Marine Corps. The battalion's primary weapon system is the Amphibious Assault Vehicle or AAV. The AAV is a 27.5-ton armored vehicle that carries up to 21 combat-loaded Marines and is armed with the UGWS, which mounts a .50 cal (12.7 mm) M2HB machine gun and a Mk-19 40 mm grenade launcher. The battalion is also equipped with the Amphibious Combat Vehicle or ACV, a rather new variant to the USMC’s amphibious armament which will replace the AAV in years to come. The AAV and ACV are the only armored vehicles in the U.S. inventory that are fully capable of operations both on land and in the ocean. The battalion is part of the 1st Marine Division and the I Marine Expeditionary Force. The unit is based in Camp Pendleton, California.
3rd Battalion, 23rd Marine Regiment (3/23) is a reserve infantry battalion in the United States Marine Corps located throughout the Southern United States consisting of approximately 800 Marines and Sailors. The battalion was first formed in 1943 for service in the Central Pacific Area during World War II, taking part in a number of significant battles including those at Saipan and Iwo Jima before being deactivated at the end of the war. In the early 1960s, the unit was reactivated as a reserve battalion. The battalion is headquartered in Saint Louis, Missouri, with outlying units throughout the Southern United States. 3/23 falls under the command of the 23rd Marine Regiment and the 4th Marine Division. Recent operations have included tours in Iraq and Afghanistan.
3rd Battalion, 24th Marines (3/24) was a reserve infantry battalion in the United States Marine Corps. The battalion was first formed in 1943 for service in the Pacific Theater of Operations during World War II, taking part in a number of significant battles including those at Saipan and Iwo Jima before being deactivated at the end of the war. In the early 1960s, the unit was reactivated as a reserve battalion. It was located throughout the Midwestern United States and consisted of approximately 800 marines and sailors. The battalion was part of the 24th Marine Regiment and the 4th Marine Division. Recent operations included tours in Iraq and Afghanistan. On May 19, 2013, the battalion was deactivated (retired) as a part of 2013 Marine Corps Force Restructuring, along with the 24th Marine Regiment. 3/24 personnel were reallocated to 23rd Marine Regiment, with the majority of the companies becoming 3rd Battalion, 23rd Marines.
4th Light Armored Reconnaissance Battalion is a United States Marine Corps Light Armored Reconnaissance battalion of the Marine Corps Reserve. Their primary weapon system is the LAV-25 and they are part of the 4th Marine Division and Marine Forces Reserve. The unit headquarters is at Camp Pendleton, California, but other units in the battalion are located throughout the United States. 4th LAR Bn is the largest combat battalion in the Marine Corps, with 7 companies.
The 7th Engineer Support Battalion is an engineering support unit of the United States Marine Corps and is headquartered at Marine Corps Base Camp Pendleton, California. The unit falls under the command of 1st Marine Logistics Group and the I Marine Expeditionary Force.
A Marine expeditionary brigade (MEB) is a formation of the United States Marine Corps, a Marine air-ground task force of approximately 14,500 Marines and sailors constructed around a reinforced infantry regiment, a composite Marine aircraft group, a combat logistics regiment and a MEB command group. The MEB, commanded by a general officer (usually a brigadier general), is task-organized to meet the requirements of a specific situation. It can function as part of a joint task force, as the lead echelon of the Marine expeditionary force (MEF), or alone. It varies in size and composition, and is larger than a Marine expeditionary unit (MEU) but smaller than a MEF. The MEB is capable of conducting missions across the full range of military operations.
The 30th Infantry Regiment is a United States Army infantry regiment. It was originally constituted 2 February 1901 in the Regular Army as the 30th Infantry. It was organized 12 February – 19 August 1901 at Fort Logan, Colorado, at the Presidio of San Francisco, California, and in the Philippines.
The U.S. 41st Infantry Regiment is a regiment of the United States Army. Its 1st Battalion is currently assigned to the 2nd Stryker Brigade Combat Team, 4th Infantry Division. Its 3rd Battalion was assigned to the 1st Armored Brigade Combat Team, 1st Armored Division, which was replaced in 2018 by 4th Battalion, 70th Armor Regiment, 1st Brigade Combat Team, 1st Armored Division.
The United States Marine Corps Light Armored Reconnaissance Battalions, or LAR Battalions, are fast and mobilized armored terrestrial reconnaissance units that conduct reconnaissance-in-force (RIF) ahead of the battalion landing teams or division infantry forces. They mainly provide the Marine Air-Ground Task Force and the Marine Expeditionary Unit commanders vital intelligence of the enemy.
The Marine Raider Regiment (MRR), formerly known as the Marine Special Operations Regiment (MSOR), is a special operations force of the United States Marine Corps, which is a part of Marine Corps Special Operations Command (MARSOC). Renamed for its predecessor, the World War II Marine Raiders, this unit is the principal combat component of MARSOC, which is the Marine Corps' contribution to the United States Special Operations Command (USSOCOM).
The 221st Cavalry Regiment, Nevada Army National Guard, is a parent regiment under the U.S. Army Regimental System, with headquarters in Las Vegas, Nevada. It currently consists of 1st Squadron, 221st Cavalry Regiment a 600-soldier Armored Reconnaissance Squadron of the Nevada Army National Guard located in southern Nevada. For command and control purposes within the Nevada Army National Guard, 1st Squadron, 221st Cavalry Regiment, is a subordinate unit to the Land Component Commander (LCC) of the Nevada Army National Guard. In 2016, the squadron entered into an alignment-for-training relationship with the 116th Cavalry Brigade Combat Team, 34th Infantry Division. In May 2016, the squadron donned the Shoulder Sleeve Insignia of the 116th Cavalry Brigade Combat Team. As an armored reconnaissance squadron, the 1st Squadron, 221st Cavalry Regiment, is able to deploy three mechanized cavalry troops, one armor company, a support company, a headquarters troop, and a squadron headquarters in order to accomplish its federal, state, and community missions.
United States of America 
United States Marine Corps 
