Whakaotihia te rerenga e whai ake nei:
I te Huringa o Hui-tanguru o te tau 1848, i tohua ia hei Kaiwhakahaere Moana o te rohe moana tuawha, i awhina ia ki te whakahoki mai i te rangimarie. Kātahi ka noho ia hei "premier conseil" ki te Admiralty. I te 1 o Mei 1849 i whakatairangahia a Vaillant ki te commodore ("contre-amiral"), ana i te 6 o Akuhata 1849 i whakawhiwhia ki a ia hei tuarua mo te 2nd Mediterranean squadron, i raro i a Alexandre Ferdinand Parseval-Deschenes.