Whakaotihia te rerenga e whai ake nei: I te tau 1847, i a ia e mahi ana i runga i te kaipuke i te Gulf of Mexico me te takutai o te Moana-nui-a-Kiwa i te Pakanga o Mexico, i uru ia ki te
i te whakapae me te hopu o Vera Cruz me te hopu o Tuxpan, a i te 1848, i te wa e noho ana te ope moana ki Mazatlán, i whakahau ia i tetahi o nga kaha.