ðə dᵻɹˈɛktɚɹ ʌvðə nˈæʃənəl sᵻkjˈʊɹɹᵻɾi ˈeɪdʒənsi dˈɜːnsə ɪz ðə hˈaɪɪstɹˈæŋkɪŋ əfˈɪʃəl ʌvðə nˈæʃənəl sᵻkjˈʊɹɹᵻɾi ˈeɪdʒənsi, wˌɪtʃ ɪz ɐ dᵻfˈɛns ˈeɪdʒənsi wɪðˌɪn ðə jˈuː.ˈɛs. dᵻpˈɑːɹtmənt ʌv dᵻfˈɛns.
The director of the National Security Agency (DIRNSA) is the highest-ranking official of the National Security Agency, which is a defense agency within the U.S. Department of Defense.