3rd Battalion, 9th Marines | |
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3/9 Insignia
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Active |
20 November 1917 — 12 August 1994
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Country | United States |
Branch | USMC |
Type | Infantry Battalion |
Role | Locate, close with and destroy the enemy with fire and maneuver, and repel the enemy's assault with fire and close combat |
Part of | Deactivated |
Garrison/HQ | Camp Lejeune |
Nickname(s) | Shadow Warriors |
Motto(s) | "Death in the Dark" (Vietnam Era), "Striking 3/9" (Post-Vietnam Era) |
Engagements |
World War II *Battle of Bougainville *Battle of Guam *Battle of Iwo Jima *Vietnam War *Operation Desert Storm *Operation Restore Hope *Operation Iraqi Freedom *Operation Enduring Freedom *Operation Dynamic Partners |
Commanders | |
Current commander |
None |
20 November 1917 — 12 August 1994
The 3rd Battalion, 9th Marines (3/9) is an infantry battalion of the United States Marine Corps. Formed during World War I it served until the early 1990s when it was redesignated as 3rd Battalion, 4th Marines (3/4) during a realignment and renumbering of the Marine Corps' infantry battalions, following the deactivation of the 9th Marine Regiment. The 3rd Battalion, 9th Marines was initially a subordinate unit of the 9th Marine Regiment, 3rd Marine Division, but was later operationally transferred to the 1st Marine Division as a subordinate unit of the 7th Marine Regiment where it remained until its redesignation as 3/4.
3/9 was reactivated under the 2nd Marine Division in May 2008 as the Marines expanded as a result of the continuing War on Terror.
The battalion comprised four infantry companies, one weapons company and a headquarters and service company:
On 20 November 1917, at Marine Barracks, Quantico, Virginia, the 3rd battalion 9th Marine Regiment was organized. With the end of hostilities, the need for the battalion evaporated, so the entire regiment embarked 10 April 1919 aboard USS Hancock for Philadelphia, where it arrived and unloaded 25 April. The same day, the unit officially disbanded.
3rd Battalion, 9th Marine Regiment was reactivated on 12 February 1942, at Camp Elliot, San Diego, California as part of the 2nd Marine Division. The battalion was formed by a nucleus of officers and Marines from the 2nd Marine Regiment. In September 1942, the battalion was relocated to Marine Corps Base Camp Pendleton and reassigned to the 3rd Marine Division. The battalion was initially deployed to Cape Paerata, New Zealand in February 1943 and then moved to Guadalcanal in July of that year.