BLACK OPERATION
\blˈak ˌɒpəɹˈe͡ɪʃən], \blˈak ˌɒpəɹˈeɪʃən], \b_l_ˈa_k ˌɒ_p_ə_ɹ_ˈeɪ_ʃ_ə_n]\
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a covert operation not attributable to the organization carrying it out
By Princeton University
