jˌuːˈɛs ˈɛɹ fˈoːɹs nˈæʃənəl ˈɛɹ ænd spˈeɪs ɪntˈɛlɪdʒəns sˈɛntɚɹ ˈɛstᵻməts ðæt æz ʌv dʒˈuːn tˈuː θˈaʊzənd sˈɛvəntˌiːn, fˈaɪv tə tˈɛn mˈɑːd wˈʌn ænd ˌoʊvɚ fˈɪftiːn mˈɑːd tˈuː lˈɔːntʃɚz wɜːɹ ˌɑːpɚɹˈeɪʃənəli dᵻplˈɔɪd.
US Air Force National Air and Space Intelligence Center estimates that as of June 2017, five to ten Mod 1 and over fifteen Mod 2 launchers were operationally deployed.