Adran Amddiffyn yr Unol Daleithiau
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Enghraifft o'r canlynol | Gweinyddiaeth Amddiffyn, adrannau gweithredol ffederal yr Unol Daleithiau ![]() |
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Dechrau/Sefydlu | 10 Awst 1949 ![]() |
Pennaeth y sefydliad | Ysgrifennydd Amddiffyn yr Unol Daleithiau ![]() |
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Sylfaenydd | Harry S. Truman ![]() |
Rhagflaenydd | United States Department of War, United States Department of the Navy ![]() |
Aelod o'r canlynol | ORCID ![]() |
Gweithwyr | 2,870,000 ![]() |
Isgwmni/au | Walter Reed National Military Medical Center, United States Army Medical Research Institute of Infectious Diseases, United States Military Entrance Processing Command, United States Department of the Navy, United States Department of the Army, United States Army Corps of Engineers, Defense Intelligence Agency, Defense Threat Reduction Agency, Awyrlu'r Unol Daleithiau, Defense Logistics Agency, Cyber Defense Agency, National Geospatial-Intelligence Agency, Military Health System, Missile Defense Agency, Defense Information Systems Agency, Defense Information School, United States Secretary of the Army, Defense Security Cooperation Agency, Office of the Secretary of Defense, Defense Human Resources Activity, Defense Technical Information Center, Asiantaeth Diogelwch Cenedlaethol, Assistant Secretary of Defense for Health Affairs, Joint Interoperability Test Command, Defense & Veterans Center for Integrative Pain Management, Office of the Inspector General, U.S. Department of Defense, Defense Counterintelligence and Security Agency, Defense Mapping Agency, Defense Legal Services Agency, Office of the General Counsel of the Department of Defense, Defense Commissary Agency, Defense Nuclear Agency, United States Department of the Air Force, Joint Chiefs of Staff, United States Hydrographic Office, unified combatant command, Armed Forces Security Agency ![]() |
Rhiant sefydliad | Llywodraeth Ffederal yr Unol Daleithiau ![]() |
Pencadlys | Y Pentagon ![]() |
Gwladwriaeth | Unol Daleithiau America ![]() |
Gwefan | https://www.defense.gov/ ![]() |
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Mae'r Adran Amddiffyn (Saesneg: Department of Defense) yn adran weithredol o fewn cangen weithredol llywodraeth ffederal yr Unol Daleithiau.
Arweinir yr Adran gan yr Ysgrifennydd Amddiffyn, pennaeth o fewn y Cabinet sy'n adrodd yn uniongyrchol i'r Arlywydd. Yr Ysgrifennydd Amddiffyn presennol yw Jim Mattis, yn ei swydd ers 20 Ionawr 2017.
Yn isradd i'r Adran Amddiffyn y mae tair adran filwrol: Adran Byddin yr Unol Daleithiau, Adran Llynges yr Unol Daleithiau, ac Adran Awyrlu'r Unol Daleithiau. Yn ogystal, y mae pedwar gwasanaeth cudd-wybodaeth cenedlaethol yn isradd i'r Adran Amddiffyn: yr Asiantaeth Amddiffyn Cudd-wybodaeth (DIA), yr Asiantaeth Ddiogelwch Genedlaethol (NSA), yr Asiantaeth Gudd-wybodaeth Geo-ofodol Genedlaethol (NGA), a'r Swyddfa Rhagchwilio Genedlaethol (NRO).