23Sept45 to 25Mar46.

CO 6th Pioneer Bn:

Lt. Col. Samuel R. Shaw, USMC

(Activated 10Nov44)

10Nov44 to 10May45.

Major John G. Dibble, USMC

11May to 22Jun45.

Lt. Col. Samuel R. Shaw, USMC

23Jun to 21Oct45.

Lt. Col. Harry A. Schmitz, USMC