the U.S. military establishment and those industries producing military materiel, viewed as together exerting a powerful influence on foreign and economic policy
See military-industrial complex in American Heritage Dictionary 4
(mĭlˈĭ-tĕrˌē-ĭn-dŭsˈtrē-əl)
noun
The aggregate of a nation's armed forces and the industries that supply their equipment, materials, and armaments.