For other uses, see 1st Marine Division (disambiguation).
1st Marine Division
Founded
1 February 1941
Country
United States
Branch
United States Marine Corps
Type
Ground combat element
Size
Division (approximately 22,000)[1]
Part of
I Marine Expeditionary Force
Garrison/HQ
Marine Corps Base Camp Pendleton
Nickname(s)
The Old Breed Blue Diamond
Motto(s)
No Better Friend, No Worse Enemy
March
"Waltzing Matilda"
Engagements
Banana Wars
Occupation of Veracruz, Mexico (1914)
Occupation of Haiti (1915–1934)
Occupation of the Dominican Republic (1916–24)
Occupation of Cuba (1917–22)
World War I (5th Marines)
Western Front
German spring offensive
Battle of Belleau Wood
Battle of Soissons
Hundred Days Offensive
Battle of Saint-Mihiel
Battle of Blanc Mont Ridge
Meuse-Argonne offensive
World War II
Pacific War
Solomon Islands campaign
Guadalcanal Campaign
Battle of Tulagi and Gavutu–Tanambogo
Battle of the Tenaru
Battle of Edson's Ridge
Second and Third Battles of the Matanikau
Battle for Henderson Field
Matanikau Offensive
Koli Point action
New Britain campaign
Battle of Cape Gloucester
Battle of Talasea
Mariana and Palau Islands campaign
Battle of Peleliu
Volcano and Ryukyu Islands campaign
Battle of Okinawa
Chinese Civil War
Operation Beleaguer
Korean War
Battle of Pusan Perimeter
Battle of Masan
First Battle of Naktong Bulge
Second Battle of Naktong Bulge
Battle of Inchon
Second Battle of Seoul
Battle of Chosin Reservoir
First and Second Battles of Wonju
Battle of Hwacheon
Battle of the Punchbowl
Battle of Bunker Hill (1952)
First Battle of the Hook
Battle for Outpost Vegas
Battle of the Samichon River
Cold War
Cuban Missile Crisis
Vietnam War
Operation Starlite
Operation Piranha
Operation Oregon
Operation Hastings
Operation Medina
Operation Kentucky
Operation Union
Operation Union II
Operation Swift
Operation Allen Brook
Tet Offensive
Battle of Khe Sanh
Battle of Kham Duc
Operation Auburn
Operation Badger Tooth
Operation Napoleon/Saline
Battle of Huế
Operation Scotland II
Operation Mameluke Thrust
Operation Imperial Lake
Nicaraguan Revolution
Operation Golden Pheasant
Gulf War
Battle of Khafji
Battle of Kuwait International Airport
Liberation of Kuwait
Operation Garden Plot
1992 Los Angeles riots
Somali Civil War
Operation Restore Hope
Operation United Shield
1999 East Timorese crisis
International Force East Timor
Global War on Terrorism
Iraq War
Invasion of Iraq
Battle of Umm Qasr
Battle of Al Faw (2003)
Battle of Nasiriyah
Battle of Al Kut (2003)
Battle of Hillah (2003)
Battle of Baghdad
Anbar campaign (2003–2011)
2004 Iraq spring fighting
First Battle of Fallujah
Battle of Ramadi (2004)
Battle of Husaybah (2004)
Battle of Najaf (2004)
Second Battle of Fallujah
Operation Steel Curtain
Battle of Ramadi (2006)
Battle of Donkey Island
Operation Phantom Thunder
Operation Alljah
Operation Arbead II
Operation Mawtini
War in Afghanistan (2001–2021)
United States invasion of Afghanistan
Fall of Kandahar
Battle of Shewan
Battle of Nawzad
Helmand province campaign
Battle of Dahaneh
Battle of Garmsir
Operation Strike of the Sword
Operation Moshtarak
Battle of Sangin (2010)
War against the Islamic State
Operation Inherent Resolve
Commanders
Commander
MajGen Benjamin T. Watson
Notable commanders
Holland Smith
Alexander Vandegrift
William H. Rupertus
Oliver P. Smith
James M. Masters, Sr.
Edwin A. Pollock
Herman Nickerson Jr.
James Mattis
Pedro Del Valle
Robert O. Bare
Edward W. Snedeker
Frank Libutti
Lawrence D. Nicholson
Military unit
The 1st Marine Division (1st MARDIV) is a Marine division of the United States Marine Corps headquartered at Marine Corps Base Camp Pendleton, California. It is the ground combat element of the I Marine Expeditionary Force (I MEF).
It is the oldest and largest active duty division in the United States Marine Corps, representing a combat-ready force of 22,000 personnel. It is one of three active duty divisions in the Marine Corps today and is a multi-role, expeditionary ground combat force. It is nicknamed "The Old Breed".
^"Camp Pendleton, California". www.1stmardiv.marines.mil. Retrieved 3 April 2023.
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Global Information
United States
United States Marine Corps