The Office of Reserve Affairs, CG-13 serves as the Director of the Coast Guard Reserve and the Commandant statutory advisor on Reserve affairs. CG-13 is responsible for preparation, justification, and execution of the operational and maintenance budgets for the Coast Guard Reserve. CG-13 is the director and functional manager of appropriations made for the Coast Guard Reserve in those areas and is the primary representative of the Coast Guard Reserve to the Department of Defense (DoD) and other Reserve or Guard Components.

The Reserve Policy & Plans Division, CG-1311 creates and executes the Reserve Program's strategic plans through policy and workforce management, monitoring progress and adjusting as needed. CG-1311 regularly reviews proposed and effective statuses, DoD directives/instructions, and other regulatory guidance for USCGR impact. Proposes change to Coast Guard policy and executes new initiatives as required to support the Reserve workforce and the Coast Guard. Coordinates with manpower analysts to propose and validate workforce plans for accession, training, succession, and separation from the Reserve Component. Responsible for Reserve Program Administrator (RPA) succession planning and workforce policies.

The Reserve Programs Division, CG-1312 serves as the primary resource manager for the Reserve Training (RT) appropriation, including Full Time Support (FTS) positions, Selected Reserve (SELRES) positions, and resource proposal submissions for Reserve Programs out-year budgets and strategic initiatives. CG-1312 plans and executes an annual RT appropriation, develops/implements RT resource initiatives and internal controls, directs RT funds allocation and develops current and out-year budget requirements while monitoring RT spending for current and previous five years. CG-1312 also directs position management for SELRES and FTS active duty military & civilian positions, and evaluates and recommends FTS and SELRES billet allocations in alignment with appropriations law and Commandant's Reserve Program strategic priorities..

The Reserve Communications Division, CG-1313, is responsible for the Coast Guard Reserve's (CGR) strategic communications, mobilization resources, readiness and performance data and reports, and the Reservist magazine. CG-1313 aligns CGR internal communications with CG strategic messaging and external stakeholders including DHS, Congress, and DoD. CG-1313 publishes the award-winning Reservist magazine and manages all CGR social media and digital communications. The division generates and manages Reserve readiness and performance data for internal and external reporting, manages the CGR National Reserve Awards program, and is responsible for Reserve mobilization resources necessary for the coordination of Reserve Title 10 and Title authority through the Commandant on behalf of operational commands.