Ka cika wannan jumla: A shekara ta 1846, an tura shi zuwa jirgin ruwa mai suna "Mississippi", wato jirgin da ke kula da jiragen ruwa na West Indian Squadron da ke ƙarƙashin Kwamandan jirgin ruwa mai suna Matthew C. Perry. A lokacin Yakin Mexico da Amurka, ya shiga cikin balaguro a kan Alvarado, Tampico, Pánuco, da Laguna de Términos, duk sun yi nasara wajen tsaurara ikon Amurka kan gabar tekun Mexico da kuma katse kasuwancin gabar teku da ayyukan samar da sojoji. Jirgin ya koma Norfolk don gyarawa a ranar 1 ga Janairu, 1847, inda aka ba Anderson mukamin Laftanar. Sai Mississippi ya koma yaƙi, ya isa Veracruz a ranar 21 ga Maris, 1847, yana dauke da Perry don ya jagoranci rundunar jiragen ruwa na Amurka. Nan da nan ita da mutanenta suka shiga cikin
ayyukan amphibious a kan Veracruz, samar da bindigogi da ma'aikatan su da za a kai bakin teku don baturi wanda ya yi yaƙi da birnin don mika wuya a cikin kwanaki hudu. Ta hanyar sauran yakin, "Mississippi" ya ba da bindigogi, maza, da jiragen ruwa zuwa jerin hare-haren bakin teku a gabashin Mexico, suna shiga cikin kama Tabasco a watan Yunin 1847.