This Note describes the Enriched Airman Gain/Loss (EAGL) file, an annually prepared data file that supports the Air Force's Enlisted Force Management System. The file contains longitudinal data on every airman who was on regular active duty in the Air Force any time between June 30, 1971, and June 30, 1987. The Note describes each of the data fields on the EAGL file, identifies the data source, and lists the possible data codes and their meanings. The Air Force maintains the EAGL file and updates it annually with data on airmen who were in the Air Force during the preceding twelve months.
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