1、Department of Defense DIRECTIVE NUMBER 4500.56 April 14,2009 Incorporating Change 5,Effective April 3,2019 USD(A&S)SUBJECT:DoD Policy on the Use of Government Aircraft and Air Travel References:See Enclosure 1 1.PURPOSE.This Directive:a.Reissues DoD Directive(DoDD)4500.56(Reference(a).b.Implements O
2、ffice of Management and Budget Circular No.A-126,Public Law 104-106,and the White House Memorandum,“Use of Government Aircraft for Official Business”(References(b),(c),and(d).c.Establishes policies for the transportation of DoD passengers and cargo and the use of government aircraft.d.Cancels and in
3、corporates guidance contained in Directive-Type Memorandums 09-002(Reference(e)concerning the use of government aircraft.e.Establishes policies for Operational Support Airlift(OSA)aircraft transportation.f.Establishes the Executive Airlift Scheduling Activity(EASA).g.Supersedes all previous memorand
4、ums concerning the travel of DoD senior officials.h.Cancels Deputy Secretary of Defense Memorandum(Reference(f)and provides new guidance regarding the establishment of a DoD-wide OSA common movement management system.2.APPLICABILITY.This Directive applies to OSD,the Military Departments,the Office o
