Abbreviation list of Government Agencies names. 

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A.I.D.= Agency for International Development               N.A.S.A.= National Space and Aeronautical Agency
B.A.T.F.= Bureau of Alchol,Tax & Firearms                  N.C.S.= National Communications Services
C.I.A.= Central Intelligence Agency                                N.O.A.A.= National Oceanographic and Atmospheric Administration
D.A.S.A.= Defense Atomic Support Agency                  N.R.O.= National Reconnaissance Office
D.C.A.= Defense Communications Agency                     N.S.A.= National Security Agency
D.C.A.A.= Defense Contract Audit Agency                    O.S.I.A.= On-Site Inspection Agency
De.C.A.= Defense Commissary Agency                          P.H.S.= Public Health Services
D.I.A.= Defense Intelligence Agency                               U.H.S.= Uniformed Health Services
D.I.S.= Defense Investigative Services                             V.A.= Veterans Administration
D.I.S.A.= Defense Information Systems Agency
D.L.A.= Defense Logistics Agency
D.M.A.= Defense Mapping Agency
D.N.A.= Defense Nuclear Agency
D.o.D.= Dept. of Defense
D.o.E.= Dept. of Energy
D.o.S.= Dept. of State
D.o.T.= Dept. of Transportation
D.S.A.= Defense Supply Agency
D.S.W.A.= Defense Special Weapons Agency
E.P.A.= Environmental Protection Agency
F.A.A.= Federal Aviation Agency
F.E.M.A.= Federal Emergency Management Agency
G.A.O.= General Accounting Office