DepartmentofDefenseDIRECTIVENUMBER4500,56April14,2009IncorporatingChange5,EffectiveApril3,2019USD,AS,SUBJECT,DoDPolicyon,
国防部关于使用政府飞机和航空旅行的政策Tag内容描述：
1、DepartmentofDefenseDIRECTIVENUMBER4500,56April14,2009IncorporatingChange5,EffectiveApril3,2019USD,AS,SUBJECT,DoDPolicyon。
