sentences:  During this period, her sister briefly served as the squadron flagship, but "Kaiser Wilhelm II" resumed the post starting on 24 February.The following month, on 5 March, her crew was reduced and she steamed to Wilhelmshaven, where she was converted into the headquarters ship for the commander of the High Seas Fleet, commencing on 26 April.The ship had its wireless equipment modernized for use by the commander when the fleet was in port.