united_states_department_of_defense
1. [ noun ] (government) the federal department responsible for safeguarding national security of the UnitedStates; created in 1947
Synonyms: Department_of_Defense Defense DoD Defense_Department
Related terms: executive_department United_States_Navy defense_logistics_agency department_of_defense_laboratory_system darpa ballistic_missile_defense_organization defense_intelligence_agency defense_technical_information_center national_reconnaissance_office national_security_agency u._s._air_force defense_information_systems_agency national_imagery_and_mapping_agency casualty_care_research_center United_States_Army
Similar spelling:   United_States_Trade_Representative