The Institute for Defense Analyses' plan for how to conduct a congressionally mandated study on the Air Force's mobility fleet mix lacks sufficient details for assessment and does not adhere to legislative mandates, government auditors contend in a new report. The plan "does not contain sufficient detail for us to evaluate its objectivity and its scope and methodology," William Solis, Government Accountability Office director of defense capabilities and management, wrote today in a letter to Defense Secretary Robert Gates and...