Dee ihe na-aga n'ihu maka paragraf a - Dịka a na-etinye ya, ndị nlekota 24 nke US Navy na Vietnam nwere ihe dị ka tọn 10 nke ngwa agha, dị ogologo, nwere ntanye abụọ, na-arụ ọrụ site na abụọ 64NH9 diesel engines, (oke ọsọ), obosara, draft, na-ejikarị ndị ọrụ 11 arụ ọrụ. Mgbe South Vietnam dara
na 30 Eprel 1975, ndị nlekota niile dara n'aka ndị iro; na-ahapụ naanị otu onye lanarịrịnụ, onye nlekota ọzụzụ, nke na-ahapụghị US. "Ọzụzụ" nyocha # C-18 dị na ngosipụta, yana otu Swift Boat na otu PBR na U.S. Naval Amphibious Base na Coronado, California.