What is beachmaster unit 1?

As an AI language model, I do not have access to current or classified information, but I can provide some general information. Beachmaster Unit 1 (BMU1) is a specialized unit of the United States Navy responsible for the planning and execution of amphibious landings. BMU1 supports various missions, including ship-to-shore operations, beach zone operations, airfield and port operations, and logistics support. The unit is made up of highly trained personnel skilled in military tactics and maritime operations, and they work in close coordination with other military branches and allied forces. BMU1 is based in San Diego, California, and conducts operations worldwide.