"Since its activation in July 1987, the 15th MEU has trained to meet its mission in the rotation with the 11th and 13th MEUs to provide a continuous presence in the Western Pacific, Indian Ocean, and Persian Gulf and as a ready MAGTF in the continental United States.In October 1989, the MEU assisted in relief efforts following the 1989 Loma Prieta earthquake, performing their assigned missions and also taking on several volunteer projects to help the victims of the disaster.