 Rostock also participated in the Battle of Jutland , on 31 May 1916 . She served as the leader of the torpedo boat flotillas , flying the flag of Kommodore Andreas Michelsen . The flotilla was tasked with screening for the battle squadrons of the High Seas Fleet . As the German fleet reached the engagement between the British and German battlecruiser squadrons at 17 : 30 , a pair of destroyers , HMS Nestor and Nicator attempted to attack the German battle line . Rostock and a number of the battleships engaged the destroyers , which were both disabled by the heavy German fire . The battleships destroyed Nestor and Nicator and their crews were picked up by German torpedo boats . 
