 Initially, "Tipperary" served as the second flotilla leader with the 3rd Destroyer Flotilla in the Harwich Force, arriving there in June 1915.Late in that same year, she took charge of a detachment of destroyers from the 2nd Flotilla, while in March 1916, "Tipperary" had rejoined the Harwich Force, being attached to the Fifth Light Cruiser Squadron.For a while during the war she was commanded by Captain (later Admiral) Sir Barry Domvile.