 That month, the German Army had begun an offensive in the Baltic as a diversion for the Gorlice–Tarnów Offensive, with the Navy deployed in support of the Army's operations.On 24 April 1915, "V108" shelled Russian troops near Palanga, Courland (now part of Lithuania).On the night of 30 April/1 May 1915, "V107" and "V108" made a sortie into the Gulf of Riga, reconnoitring the island of Ruhnu and shelling lighthouses.