Commander, Naval Beach Group (COMNAVBEACHGRU) ONE, consisting of Amphibious Construction Battalion (PHIBCB) ONE, Assualt Craft Unit (ACU) ONE, Assault Craft Unit (ACU) FIVE, and Beachmaster Unit (BMU) ONE, provides beach traffic control and security, Navy lighterage, side loadable warping tugs, bulk fuel transfer systems, landing craft (LCUs, LCM-8s, and LARC Vs), limited construction capability and surf salvage capability. Additionally, COMNAVBEACHGRU ONE conducts amphibious operations and exercises in the Eastern Pacific, Western Pacific, Indian Ocean and Arabian Gulf areas.
COMNAVBEACHGRU ONE also provides the majority of the Naval Support Element (NSE) for Maritime Prepositioning Force (MPF) operations, and is the designated NSE Commander. In support of the MPF mission, COMNAVBEACHGRU ONE personnel maintain and operate Navy lighterage, side loadable warping tugs (SLWTs), landing craft (LCUs, LCM-8s, and LARC Vs) buoyant ship-to-shore bulk fueling systems, and provide beach traffic control and surf salvage capability. MPF operations include the prepositioning of a mixed combat load of vehicles, artillery, ammunition and petroleum products to support a Marine Expeditionary Force (MEF) aboard ships of the Maritime Prepositioning Squadron strategically located abroad which possess a self-sustained discharge capability of cranes, roll-on/roll-off (RO/RO) ramps, and the latest material handling machinery. A MEF arrives in the objective area and the NSE is responsible for the offload of MEF equipment and supplies through a port, over a beach, or a combination of both.
Additionally, COMNAVBEACHGRU ONE is responsible for conducting and evaluating amphibious training and LCAC Welldeck Certification for all Pacific Fleet amphibious ships. Through Command Assessment of Readiness and Training (CART), inport and underway Basic Amphibious Training (BAT), training assists, crane certification audits and a two-week Amphibious Specialty Training period, ship’s personnel are trained to conduct various amphibious evolutions, including: assault craft handling, wet well operations involving landing craft and Amphibious Assault Vehicles (AAVs), Landing Craft Air Cushion (LCAC) embarkation, launch and control, and cargo handling operations.