 HMS Agamemnon was a 64 @-@ gun third @-@ rate ship of the line of the Royal Navy . She saw service in the American Revolutionary , French Revolutionary and Napoleonic Wars , and fought in many of the major naval battles of those conflicts . She is remembered as being Nelson 's favourite ship , and was named after the mythical ancient Greek king Agamemnon , being the first ship of the Royal Navy to bear the name . 
