<prompt> Qedela le nkulumo elandelayo: UMackie wabhalisela iMarine Corps evela eNew York ngo-April 24, 1861. Isabelo sakhe sokuqala sasiseMarines esikebheni i-USS Savannah. Wakhushulwa waba isikhulu ngo-March 1, 1862. Ngo - April 1, waqala ukukhonza emkhunjini wempi oyi - USS Galena. NgoMeyi 15, iqembu lemikhumbi emihlanu ye-Union Navy, kuhlanganise ne-Galena, yenyukela eMfuleni iJames ukuyohlola ukuzivikela kwenhloko-dolobha ye-Confederate, iRichmond, eVirginia. Ngemuva kokufinyelela ijika emfuleni ongaphezulu kweDutch Gap, leli qembu lahlangana nezithiyo ezicwilisiwe nomlilo osindayo ovela emabhantini amabili amaConfederate Marines abekwe osebeni lomfula nomlilo wezikhali ovela eFort Darling phezulu kweDrewrys Bluff cishe ngamakhilomitha ayisishiyagalombili ngaphansi kweRichmond. UMackie wayephethe amasosha angu-12 esikhungweni sezikhali. Amabhethri e-artillery ale nqaba alimaza kakhulu i-Galena futhi aphoqa iqembu laseNyakatho ukuba libuyele emuva. Phakathi nempi eyaziwa ngokuthi i-  <response>: Impi yaseDrewrys Bluff, iningi labadlali bezinhlamvu zasolwandle be- Galena labulawa noma lalimala. UMackie wahola iqembu lamasosha asemanzini elathatha isikhundla sokuphatha izibhamu ngesikhathi sisalele empini. NgoNovemba 1, wakhushulelwa esikhundleni sokuba yisikhulu esiphezulu. NgoJuni 1863, wabelwa ukuba abe yisithunywa sezempi. 