Originally 2d Battalion, 353d Engineers (General Service). Regiment was activated 15 August 1942 at Camp White, Oregon. Staged at Camp Stoneman, California 8 to 22 May 1943. Departed San Francisco Port of Embarkation 22 May 1943 and arrived in New Caledonia 13 June 1943. Regimental Headquarters & Headquarters Company redesignated Headquarters & Headquarters Company, 1177th Engineer (Construction) Group 1 April 1944. 1st Battalion redesignated 353d Engineer (Construction) Battalion; 2d Battalion redesignated 1393d Engineer (Construction) Battalion and 3d Battalion inactivated same date.
1393d based at Guadalcanal, British Solomon Islands 7 April 1944; Luzon, Philippine Islands 24 May 1945. Participated in Luzon Campaign. Battalion inactivated in Japan 28 February 1946.