High Quality Content by WIKIPEDIA articles! SMS Brummer was a minelaying light cruiser of the German Kaiserliche Marine; she was the lead ship of her class. Her sister ship was Bremse. Brummer was laid down at AG Vulcan`s shipyard in Stettin in 1915 and launched on 11 December 1915 and completed on 2 April 1916. Armed with a main battery of four 15-centimeter (5.9 in) guns in single mounts, she carried 400 mines.