ɪn fˈaɪv vˈɔɪɪdʒᵻz tə ðə mˌɛdɪɾɪɹˈeɪniən sˈiː ðæt jˈɪɹ, hˈɑːbi dɪvˈɛləpt sˈɛvɹəl jˈuːbˈoʊt kˈɑːntækts ænd wʌz kɹˈɛdɪɾᵻd wɪð ɪnflˈɪktɪŋ sᵻvˈɪɹ dˈæmɪdʒ ˌɔn wˈʌn mɚɹˈɔːdɚɹ ˌɔn nˈaɪn mˈeɪ.
In five voyages to the Mediterranean Sea that year, Hobby developed several U-boat contacts and was credited with inflicting severe damage on one marauder on 9 May.