Naval Mobile Construction Battalion 25
Naval Mobile Construction Battalion 25 or NMCB 25 is a Navy Reserve Seabee unit that is headquartered at Port Hueneme, CA. Its World War II predecessor was one of three CBs transferred to the Marine Corps in the late summer of 1942 as combat engineers. Those three battalions were attached to composite Marine Engineer Regiments as the third battalion of their respective regiment. All of them remained with the Marine Corps for the next two years before they were released and returned to the Navy. At the end of World War II the battalion was decommissioned. In 1961, it was recommissioned in the Naval Construction Force Reserve where it remains today.
25th Naval Construction Battalion insignia
19th Marines insignia. The 25th CB was third battalion in the 19th Regiment.p.12
CB Navy Yard Bougainville with the Seabee Expression (January 1944)
The 53rd CB, which was formed from B Co 25th CB, built the road behind this 2nd Marine Raider Battalion sign on Bougainville. The Navy had transferred B Co 25th CB to a different Marine Corps battalion; when the Marines needed another CB, B Company was used to commission the 53rd CB, attached to I Marine Amphibious Corps. (November 1943)
19th Marine Regiment (United States)
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. In December 1943 there was a large change of command in the regiment. Marine engineer regiments were eventually disbanded in favor of independent engineering battalions within the parent Marine divisions.
19th Marines
19th Marines carry a bangalore mine towards a cave reported by the 21st Marine on Guam
Third Battalion 19th Marines (25th NCB) tent camp on Bougainville
Landing on Emirau AWM305252
