The earliest iron vessel in the navy was not a warship at all but a cross-Channel postal packet launched in 1840 and called the Dover.
Inqanawa yentsimbi yokuqala kumkhosi yaye ingasiyiyo inqanawa yomkhosi kokne kodwa ipakethe yangaphesheya kweChannel yeposi eyandululwa ngo1840 kwaze kwathiwa yiDover.