Activated 21 January 1944 at Camp Pendleton, California.
Inactivated 5 February 1946 at Camp Pendleton, California.
Major General Keller E. Rockey - Assumed command February 1944
Major General Thomas A. Bourke - Assumed command June 1945
Headquarters Battalion, 5th Marine Division
5th Engineer Battalion
5th Tank Battalion
5th Pioneer Battalion
26th Marine Regiment
27th Marine Regiment
28th Marine Regiment
13th Marine Regiment (Artillery)
5th Service Battalion
5th Medical Battalion
5th Motor Transport Battalion
Iwo Jima