On 17 December, she attacked and claimed sinking an unidentified submarine, but the report remains unconfirmed.
ˌɔn sˈɛvəntˌiːn dᵻsˈɛmbɚ, ʃiː ɐtˈækt ænd klˈeɪmd sˈɪŋkɪŋ ɐn ˌʌnaɪdˈɛntᵻfˌaɪd sˈʌbmɚɹˌiːn, bˌʌt ðə ɹᵻpˈoːɹt ɹᵻmˈeɪnz ʌŋkənfˈɜːmd.