High Quality Content by WIKIPEDIA articles! Under international law civilians were not permitted to resist enemy military attack. Resistance meant summary execution as guerrillas. The need for a militarized Naval Construction Force to build advance bases in the war zone was self-evident. Therefore, Rear Admiral Ben Moreell determined to activate, organize, and man Navy construction units. On 28 December 1941, he requested specific authority to carry out this decision, and on 5 January 1942, he gained authority from the Bureau of Navigation to recruit men from the construction trades for assignment to a Naval Construction Regiment composed of three Naval Construction Battalions.