Dee ihe na-aga n'ihu maka paragraf a - E wuru John Adams mbụ na 1799 dị ka ụgbọ mmiri na-agba agba maka United States Navy, gbanwee ya na corvette na 1809, ma mesịa gbanwee ya na frigate na 1830. E nyere ya aha onyeisiala John Adams, ọ lụrụ ọgụ na Quasi-War, nke Mbụ
na Agha nke Abụọ nke Barbary, Agha nke 1812, Agha Mexico na America na Agha Obodo America. Na njedebe nke ọrụ ya, o sonyere na mgbochi Union nke ọdụ ụgbọ mmiri South Carolina. Ọ sonyere na mwakpo nke Combahee Ferry nke Harriet Tubman, onye bụbu ohu na onye ọrụ Union, haziri na Colonel Union Montgomery. "John Adams" duuru ụgbọ mmiri atọ e ji ike eletrik arụ n'osimiri Harbor ruo Port Royal. Ndị agha ahụ na-adabere n'aka ndị ọkwọ ụgbọ mmiri ojii nọ n'ógbè ahụ iduzi ha gabiga ebe ndị a na-egwupụta akụ̀ ndị dị n'ime ala na ebe ndị e wusiri ike. Ndị agha ahụ tọhapụrụ ndị ohu 750+ ma mee ka ndị Confederation nwee nsogbu. Tubman bụ nwanyị mbụ n'akụkọ ihe mere eme nke United States mere atụmatụ ma duzie njem ndị agha.