The Military Support Division provides operational and administrative services to NRL.

The Operations Branch assists NRL Research Directorates in the planning and execution of project flight missions; develops deployment schedules and military operational and training objectives; and coordinates the Research Reserve Program within NRL.

The Military Administration Branch is responsible for the coordination and efficient functioning of all military administrative operations for NRL (including it's site detachments). These duties specifically include: personnel actions, maintenance of personnel records, performance evaluations, awards and training; advising the NRL Chief Staff Officer on manpower matters and organization issues; and preparation and administration of the military operational budget.