Ku dhammee oraahdan soo socota: Mackie waxa uu ka soo biiray ciidanka New York April 24, 1861. Markii ugu horeysay ee la geeyo ciidamada badda ee Marines-ka waxaa la geeyay markabka dagaalka ee USS "Savannah". Waxaa loo dalacsiiyay sarkaal bishii Maarso 1, 1862. Bishii Abriil 1, wuxuu bilaabay inuu ka shaqeeyo markabka dagaalka ee USS "Galena". 15-kii Maajo, shan markab oo ka tirsan Ciidanka Badda ee Midowga, oo ay ku jiraan "Galena", ayaa kor u kacay Wabiga James si ay u tijaabiyaan difaaca caasimadda Confederate, Richmond, Virginia. Ka dib markii ay gaareen geeska wabiga ee kor u kaca ee Dutch Gap, ciidanka ayaa la kulmay caqabado ku hoos jira iyo rasaas culus oo ka timid laba guuto oo ka tirsan ciidamada badda ee Confederate oo ku sugnaa xeebta wabiga iyo rasaasta qoryaha ee ka timid Fort Darling oo ku taal Drewry's Bluff qiyaastii siddeed mayl ka hooseysa Richmond. Mackie waxa uu hogaamin jiray 12 askari oo ka tirsan ciidamada badda. Qalabka hubka dagaalka ee qalcadda ayaa dhaawac culus u geystay "Galena" waxayna ku qasbeen ciidanka Midowga inay dib u noqdaan. Dagaalkii Carabta ee la oran jiray (The Battle of Carabta)
Dagaalkii Drewry's Bluff), in badan oo ka mid ah shaqaalaha Galena ayaa la dilay ama la dhaawacay. Mackie wuxuu hogaaminayay koox ka mid ah ciidamada badda kuwaas oo la wareegay howlgalka qoryaha inta ka hartay dagaalka. Bishii Nofeembar 1, waxaa loo dalacsiiyay sarkaal sare. Bishii Juun 1863, waxaa loo xilsaaray ciidanka.