 The following month, "Shannon", together with the 1st Battlecruiser Squadron and the rest of the 2nd Cruiser Squadron, made a port visit to Brest, France.In October 1914, the ship was patrolling off the coast of Norway and almost intercepted the armed merchant cruiser on several occasions.During a sweep into the Heligoland Bight on 26 November, she was unsuccessfully bombed by a German aircraft.