The primary responsibility of the Assistant Secretary of the Air Force, Financial Management and Comptroller (SAF/FM) is to exercise of the comptroller functions of the Department of the Air Force, including financial management functions. SAF/FM is composed of four directorates, or "3-Letter" organizations, each providing critical services to achieve the FM Mission:
Deputy Assistant Secretary for Budget (SAF/FMB); Deputy Assistant Secretary for Cost and Economics (SAF/FMC); Deputy Assistant Secretary for Financial Operations (SAF/FMF and SAF/FM CIO); Directorate of Workforce Management and Executive Services (SAF/FME); and the Deputy Assistant Secretary for Congressional Budget and Appropriations Liaison (FML).