Progress on the German K 130 corvette program is proceeding well and on 29 March the third unit of the class, Erfurt , pictured right, was christened at Nordseewerke shipyard in Emden. The corvette's sea trials are planned to begin this October with an expected service-entry date of April 2008. Namesake and first unit of the class, Braunschweig , successfully completed sea trials after a slight delay. She is expected to be commissioned during mid-2007. Magdeburg , second of the class, recently completed fitting out at Lürssen shipyard and following her sea trials is expected in service by November 2007. Five units of the class are planned, with the remaining two sisters, Oldenburg and Ludwigshafen , expected in service by early 2009.