Lütjens then attended another infantry course with the 2nd Sea-Battalion before boarding Elsass on 1 October 1909.[Tr 2] After receiving his commission as Leutnant zur See (second lieutenant) on 28 September 1910, he served on board König Wilhelm (26 September 1910 – 1 April 1911), a harbour ship, and then Hansa (1 April 1911 – 1 April 1913). He then returned to the König Wilhelm (1 April 1913 – 1 October 1913),[1] where he served as an instructor of cabin boys and later as an instructor of cadets.