The 4th Marine Division is a reserve division in the United States Marine Corps. It was raised in 1943 for service during World War II, and subsequently fought in the Pacific against the Japanese. Deactivated after the war, the division was re-formed in 1966 and elements of the division deployed during the Gulf War in 1990–1991, as well as during the Iraq War. It is currently the ground combat element of the Marine Forces Reserve and is headquartered in New Orleans, Louisiana, and has units throughout the United States.
The 2nd Marine Division is a division of the United States Marine Corps, which forms the ground combat element of the II Marine Expeditionary Force. The division is based at Marine Corps Base Camp Lejeune, North Carolina and headquartered at Julian C. Smith Hall.
3rd Battalion 11th Marines (3/11) is an artillery battalion comprising three firing batteries, a Liaison Unit, and a headquarters battery. The battalion is based at the Marine Corps Air Ground Combat Center Twentynine Palms, California and its primary weapon system is the M777 lightweight howitzer with a maximum effective range of 25 miles. They fall under the 11th Marine Regiment and the 1st Marine Division.
2nd Battalion, 2nd Marines (2/2) is a light infantry battalion in the United States Marine Corps based out of Marine Corps Base Camp Lejeune, North Carolina. Also known as "The Warlords", it consists of approximately 1,300 Marines and sailors and normally falls under the command of the 2nd Marine Regiment and the 2nd Marine Division.
The 2nd Marine Regiment is an infantry regiment of the United States Marine Corps. They are based at Marine Corps Base Camp Lejeune, North Carolina and fall under the command of the 2nd Marine Division and the II Marine Expeditionary Force.
The 10th Marine Regiment is an artillery regiment of the United States Marine Corps based at Marine Corps Base Camp Lejeune, North Carolina. They fall under the command of the 2nd Marine Division and the II Marine Expeditionary Force.
The 11th Marine Regiment is an artillery regiment of the United States Marine Corps based at Marine Corps Base Camp Pendleton, California. Known as the "Cannon Cockers", the regiment falls under the command of the 1st Marine Division and the I Marine Expeditionary Force. Its primary weapon system is the M777A2 howitzer with a maximum effective range of 30 km, however the 5th Battalion has converted to fire the HIMARS weapon system.
1st Battalion 11th Marines (1/11) is an artillery battalion comprising four firing batteries and a Headquarters battery. The battalion is stationed at the Marine Corps Base Camp Pendleton in California. Its primary weapon system is the M777 lightweight howitzer. The battalion is under the command of the 11th Marine Regiment, part of the 1st Marine Division.
2nd Battalion of the 11th Marines ("Patriot") is an artillery battalion comprising three firing batteries and a Headquarters Battery. The battalion is stationed at Marine Corps Base Camp Pendleton, California. Its primary weapon system is the M777 lightweight howitzer. The battalion was the first in the Marine Corps to fully transition from the M198 Howitzer. They fall under the command of the 11th Marine Regiment and the 1st Marine Division.
5th Battalion 11th Marines (5/11) is a High Mobility Artillery Rocket System (HIMARS) battalion consisting of four Firing Batteries and a Headquarters Battery. The battalion is stationed at Marine Corps Base Camp Pendleton, California. It is the first active duty HIMARS Unit in the Marine Corps. They fall under the command of the 11th Marine Regiment and the 1st Marine Division. This is the only battalion in the 11th Marine Regiment not using the M777A2 lightweight howitzer.
5th Battalion 10th Marines (5/10) was a US artillery battalion comprising three firing batteries and a headquarters battery. The battalion was stationed at Marine Corps Base Camp Lejeune, North Carolina, USA and its primary weapon system was the M777A2 howitzer, with a maximum effective range of 30 km. They fell under the command of the 10th Marine Regiment and the 2nd Marine Division. The battalion was known by its nickname of, "The Five and Dime."
3rd Battalion 10th Marines (3/10) was an artillery battalion that consisted of four cannon firing batteries and a headquarters battery. The battalion was stationed at Marine Corps Base Camp Lejeune, North Carolina and its primary weapon system was the M777-A2 howitzer with a maximum effective range of 30 km and the M-252 Expeditionary Fire Support System (EFSS). 3/10 fell under the 10th Marine Regiment and the 2nd Marine Division. The battalion deactivated at Camp Lejeune on 26 April 2013.
The 8th Marine Regiment was an infantry regiment of the United States Marine Corps. When last active, it was based at Marine Corps Base Camp Lejeune, North Carolina, and fell under the command of the 2nd Marine Division and the II Marine Expeditionary Force. The regiment was decommissioned on January 28, 2021, as a result of ongoing force design efforts.
2nd Battalion 10th Marines (2/10) is an artillery battalion of the United States Marine Corps comprising three cannon batteries, two rocket batteries, and a headquarters battery. The battalion is stationed at Marine Corps Base Camp Lejeune, North Carolina and its primary weapon systems are the M777A2 howitzer with a maximum effective range of 30 km and the M142 HIMARS with a maximum effective range of 300km. They fall under the command of the 10th Marine Regiment and 2nd Marine Division.
1st Battalion 14th Marines (1/14) was a reserve artillery battalion comprising three firing batteries and a headquarters battery. The battalion was based in Alameda, California. Its primary weapon system was the M198 Howitzer. It was part of the 14th Marine Regiment of the 4th Marine Division.
3rd Battalion, 14th Marine Regiment (3/14) is a reserve artillery battalion comprising four firing batteries and a headquarters battery. The battalion is based in Bristol, Pennsylvania and its primary weapon system is the M777 howitzer with a maximum effective range of 30 km. They fall under the command of the 14th Marine Regiment and the 4th Marine Division.
5th Battalion 14th Marines (5/14) is a reserve artillery battalion of the United States Marine Corps commanded by Lieutenant Colonel Nathan Rylander, comprising four firing batteries and a headquarters battery. The battalion is based in Seal Beach, California and its primary weapon system is the M777A2 howitzer with a maximum effective range of 40 km. They fall under the command of the 14th Marine Regiment and the 4th Marine Division.
The 14th Marine Regiment is a reserve artillery regiment of the United States Marine Corps consisting of three artillery battalions and a headquarters battery. The regiment is based in Fort Worth, Texas however its units are dispersed among 15 different sites in 12 states. Its primary weapon system is the M777A2 Howitzer with a maximum effective range of 30 km however one of its battalions has converted to fire the High Mobility Artillery Rocket System (HIMARS) weapon system.
1st Battalion 12th Marines (1/12) was an artillery battalion comprising three firing batteries and a Headquarters Battery. The battalion was stationed at Marine Corps Base Hawaii and fell under the 12th Marine Regiment and the 3rd Marine Division. It was deactivated on 26 May 2023.
82nd Field Artillery Regiment is a field artillery regiment of the United States Army. The regiment has been involved with American conflicts dating back to then US involvement in the Mexican Civil War and more recently with the War on Terrorism. Currently, there are two active and three inactivate battalions in the regiment. Traditionally, the regiment has been aligned with the 1st Cavalry Division at Fort Hood, Texas and Fort Bliss, Texas.
United States of America 
United States Marine Corps 
