19th Marine Regiment (United States)

19th Marine Regiment
Active	16 September 1942-7 September 1944
Country	United States
Allegiance	United States
Branch	United States Marine Corps
Type	Engineer Regiment
Part of	3rd Marine Division
Engagements	World War II * Battle of Bougainville * Battle of Guam

The 19th Marine Regiment was a composite engineer regiment of the United States Marine Corps subordinate to the 3rd Marine Division. It existed from September 1942 until September 1944. Marine engineer regiments were eventually disbanded in favor of independent engineering battalions within the parent Marine divisions.

The regiment was a composite of three different types of battalions and a headquarters and service company:

Assigned to the 3rd Marine Division, on 11 March 1943 Col Robert M. Montaque took command of the Regiment in New Zealand.

With the deactivation of the 19th Marine Regiment the 3rd Engineer Battalion and the 3rd Pioneer Battalion were posted directly to the 3rd Marine Division. The 25th Naval Construction Battion was replaced by the 62nd Naval Construction Batttlion which was also posted directly to the Division for the assault of Iwo Jima. The 3rd Pioneers landed on yellow 2 beach on D-plus 3 and remained there until D-plus 6. On D-plus 6 black beach was created and the pioneers moved there. The 62nd NCB was made the lead Battalion for getting Motoyama Airfield #1 operational in place of the 133rd NCB which had taken heavy casualities.

Occupation and Defense of Cape Torokina, Bougainville 1 November–15 December 1943

Consolidation of the Northern Solomons 15 December 1943 – 9 January 1944

Capture and Occupation of Guam 21 July–15 August 1944

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