Tuhia tētahi tohutoro mō tēnei wāhanga - I whānau a Duncan Mansfield i te Hui-tanguru 1778 ki Albany, New York. I uru ia ki te United States Marine Corps i Philadelphia, Pennsylvania i te 11 o Akuhata 1798 ka mahi tae noa ki te 1805. I a ia e mahi ana i runga i te kaipuke i te Pakanga Barbary Tuatahi
, I tono a Sergeant Mansfield mo te haerenga tapahi i arahina e Lt. Stephen Decatur, Jr., 16 Hui-tanguru 1804. I rere a Lieutenant Decatur me tana roopu 84-tangata ketch, i whakakakahu hei kaipuke Arapi, ki Tripoli Harbor ki te whakangaro i te kaipuke US i hopukina tata nei me te aukati i tana whakamahinga ki te United States.