The digest contains summaries of Air Force statistics on forces, operations, materiel, personnel, training, medical services, finance, security and law enforcement, facilities, transportation, Military Assistance Program (MAP), and related studies and historical events.Most of the data for the digest are obtained by the Data Services Center (AF ADS), Directorate of Data Automation, Comptroller of the Air Force, HQ USAF, from USAF world-wide statistical reporting system This material is or may be augmented with material furnished by Air Staff offices, HQ USAF field extensions, the USAF Historical Division Liaison Office (AFCHO), major commands (MAJCOM), and separate operating agencies.