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Government Accountability Office, DoD Business Systems Modernization: Air Force Business System Schedule and Cost Estimates (GAO-14-152) (Feb. 7, 2014).


The U.S. Air Force's schedule that supported the February 2012 Milestone B decision for the Defense Enterprise Accounting and Management System (DEAMS) did not meet best practices. The cost estimate did meet best practices, but the issues associated with the schedule could negatively affect the cost estimate.

The GAO found that the schedule supporting the Air Force's decision to invest in DEAMS partially or minimally met the four characteristics for developing a high-quality and reliable schedule. For example, the schedule did not reflect all government and contractor activities, and resources were not assigned to specific activities. The schedule also lacked a valid critical path, preventing management from focusing on the activities most likely to cause critical program delays if they are not completed as planned. In addition, a schedule risk analysis was not conducted to predict a level of confidence in meeting the program's completion date.