ðə vˈɛsəlz ɑːɹ pˈaʊɚd baɪ ɐ kˈɑːɡɑːɡ sˈɪstəm dɹˈaɪvɪŋ tˈuː ʃˈæfts kəmpˈoʊzd ʌv tˈuː əlˈɪmpəs tˌiːˈɛm θɹˈiː bˈiː ɡˈæs tˈɜːbaɪnz ɹˈeɪɾᵻd æt ænd tˈuː tˈaɪn ˌɑːɹɹˈɛmˌaɪsˈiː ɡˈæs tˈɜːbaɪnz ɹˈeɪɾᵻd æt .
The vessels are powered by a COGOG system driving two shafts composed of two Olympus TM 3B gas turbines rated at  and two Tyne RM-IC gas turbines rated at .