sˈɛvɹəl sˈʌbmɚɹˌiːnz ʌvðə ɹˈɔɪəl noːɹwˈiːdʒən nˈeɪvi ˈuːlə klˈæs hɐvbɪn dᵻplˈɔɪd ɪnðə mˌɛdɪɾɪɹˈeɪniən sˈiː ɪn səpˈoːɹt ʌvðə nˈeɪɾoʊ ˌɑːpɚɹˈeɪʃən ˈæktɪv ɛndˈɛvɚ, wˌɛɹ ðɛɹ ɪntˈɛlɪdʒənsɡˈæðɚɹɪŋ ɐbˈɪləɾiz hæv sɚpˈæst ɛkspɪktˈeɪʃənz.
Several submarines of the Royal Norwegian Navy Ula class have been deployed in the Mediterranean Sea in support of the NATO Operation Active Endeavour, where their intelligence-gathering abilities have surpassed expectations.