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21st Marine Regiment (United States)
Encyclopedia
The 21st Marine Regiment (21st Marines) was an infantry
regiment of the United States Marine Corps
. Activated for service in World War II
, they fought in the battles of Bougainville, Guam and Iwo Jima
. They fell under the 3rd Marine Division and were deactivated after the end of the war on December 20, 1945 .
battalion
s and one headquarters battalion:
The 21st Marine Regiment was activated on July 14, 1942 at Camp Elliot, San Diego, California
but was actually organized at New River
, North Carolina
. Many of the first members of the regiment came from the 6th Marine Regiment. They were assigned to the 3rd Marine Division, however from January to June 1943 they were an independent regiment. During the war, the regiment took part in the Battle of Bougainville, Battle of Guam and the Battle of Iwo Jima
. Following the Japanese surrender
, 21st Marines moved to Guam
where they were deactivated on December 20, 1945 .
Infantry
Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...
regiment of the United States Marine Corps
United States Marine Corps
The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...
. Activated for service in World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...
, they fought in the battles of Bougainville, Guam and Iwo Jima
Battle of Iwo Jima
The Battle of Iwo Jima , or Operation Detachment, was a major battle in which the United States fought for and captured the island of Iwo Jima from the Empire of Japan. The U.S...
. They fell under the 3rd Marine Division and were deactivated after the end of the war on December 20, 1945 .
Subordinate units
The Regiment was composed of three infantryInfantry
Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...
battalion
Battalion
A battalion is a military unit of around 300–1,200 soldiers usually consisting of between two and seven companies and typically commanded by either a Lieutenant Colonel or a Colonel...
s and one headquarters battalion:
| Battalions |
|---|
| Headquarters Company 21st Marines |
| 1st Battalion 21st Marines (1/21) |
| 2nd Battalion 21st Marines (2/21) |
| 3rd Battalion 21st Marines (3/21) |
History
San Diego, California
San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...
but was actually organized at New River
Marine Corps Air Station New River
Marine Corps Air Station New River is a United States Marine Corps helicopter base in Jacksonville, North Carolina, in the eastern part of the state. In 1972, the airfield was named McCutcheon Field for Brigadier General Keith B. McCutcheon, one of the fathers of Marine Corps helicopter aviation...
, North Carolina
North Carolina
North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...
. Many of the first members of the regiment came from the 6th Marine Regiment. They were assigned to the 3rd Marine Division, however from January to June 1943 they were an independent regiment. During the war, the regiment took part in the Battle of Bougainville, Battle of Guam and the Battle of Iwo Jima
Battle of Iwo Jima
The Battle of Iwo Jima , or Operation Detachment, was a major battle in which the United States fought for and captured the island of Iwo Jima from the Empire of Japan. The U.S...
. Following the Japanese surrender
Surrender of Japan
The surrender of Japan in 1945 brought hostilities of World War II to a close. By the end of July 1945, the Imperial Japanese Navy was incapable of conducting operations and an Allied invasion of Japan was imminent...
, 21st Marines moved to Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...
where they were deactivated on December 20, 1945 .
See also
- List of United States Marine Corps regiments
- Organization of the United States Marine CorpsOrganization of the United States Marine CorpsThe United States Marine Corps is organized within the Department of the Navy, which is led by the Secretary of the Navy . The most senior Marine officer is the Commandant of the Marine Corps, responsible for organizing, recruiting, training, and equipping the Marine Corps so that it is ready for...