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The U.S. Air Force (USAF) needs accurate models to develop retention policies that ensure the force has a sufficient number of experienced officers to meet requirements. Unlike the annualized cost of leaving (ACOL) model, the dynamic retention model (DRM) can be used to take into account the retention effect of the availability of multi-year contracts such as the Aviator Continuation Pay (ACP) program to certain classes of USAF officers.
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