The Narkonna was a Salgar class Cardassian military freighter captured during Operation Return in2374.
Prior to being seized by Starfleet she was commanded by Dalin Drekel and carrying a load of phlaginum from Davonia.
Later that year Lieutenant Commander Seff O'Rourke and Major Peter Madison used it to seize Geltrik Nor along with a group of Klingon Shock Troopers. ("Narkonna")