ˈæftɚ sˈɛvən dᵻsˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi wˈʌn, ðɛɹwˌʌz kənsˈɪdɚɹəbli mˈoːɹ dʒˌeɪˈɛn twˈɛnti fˈaɪv tɹˈæfɪk æz ðə dʒˌæpənˈiːz nˈeɪvi ˌɑːpɚɹˈeɪʃənəl tˈɛmpoʊ ɪŋkɹˈiːst ænd dʒˌɪəɡɹˈæfɪkli ɛkspˈændᵻd, ænd pɹˈɑːɡɹɛs ɐɡˈɛnst ɪt wɛnt bˈɛɾɚ.
After 7 December 1941, there was considerably more JN-25 traffic as the Japanese Navy operational tempo increased and geographically expanded, and progress against it went better.