The mission of Headquarters Battalion is to provide superior administrative, training (non-MOS specific), and program support for the Marines and Sailors assigned to Marine Corps Base Hawaii in order to increase combat readiness.
The Battalion is made up of two companies; Headquarters Company and Service Company. Headquarters Battalion is responsible for the administrative support, military training, career planning and legal assistance for over 800 Marines and Sailors. The Battalion also participates in the Adopt-A School Program with Puohala Elementary School on the island of Oahu.
The Administration section provides numerous services to include Personnel Administration, Legal Administration, Leave Management, Awards, Fitness Reports, Limited Duty tracking, Promotions, Defense Travel System Orders Process, Postal, Command Sponsorship, Files and Directives and all official correspondence.
The Training section plans, schedules, and conducts Professional Military Education, Physical/Combat Fitness Tests, marksmanship training, individual training standards, Chemical, Biological, Radiological and Nuclear (CBRN) defense training, and Water Safety Survival training.
The Career Planner promotes the reenlistment of all qualified Marines and provides counseling on the opportunities and benefits of a Marine Corps career.
The Substance Abuse Control Office conducts random urinalysis testing, Level 1 substance abuse awareness education and monitors after-care treatment of personnel who have completed Level 2 and 3 of the rehabilitation program. The office also provides liaison to the Joint Drug and Alcohol Center.
The S-4 provides logistical support for Battalion events to include Battalion ceremonies, functions and transportation for events. In addition other services provided include, Armory support, Supervision over Bn funds, Facilities related assistance, and manages the barracks for all of Headquarters Battalion.