ðɪ ˌɑːɹɹˈɛn ˈɔːɹdɚd ˈoʊnli twˈɛnti fˈaɪv ʌvðə θɹˈiː slˈæʃ sˈɛvənti ˈɔːɾoʊ ˌeɪˈeɪ mˈaʊnts fɚðə tˈaɪɡɚ klˈæs, tˈaɪp fˈoːɹɾi wˈʌn ˌeɪˈeɪ fɹˈɪɡəts ænd sˈɛvəntˌiːn,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ tˈʌn dʒˌiːdˌʌbəljˌuːˈɛs ɡˈʌn ænd mˈɪsəl kɹˈuːzɚz wˌɪtʃ wɜː kˈænsəld ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti sˈɛvən ɹɪzˈʌltɪŋ ɪnðə θɹˈiː slˈæʃ sˈɛvənti stˈɑːk bˌiːɪŋ sˈoʊld tə ðɪ ˌɑːɹsˌiːˈɛn ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti sˈɛvən.
The RN ordered only 25 of the 3/70 auto AA mounts for the Tiger class, Type 41 AA frigates and 17,000 ton GWS gun and missile cruisers which were cancelled in 1957 resulting in the 3/70 stock being sold to the RCN in 1957.