cruiser and German destroyers. Post-Jutland service After her repairs were completed, Tiger served as the temporary flagship of the 1st Battlecruiser Squadron while Lion was under repair. In the meantime, on the evening of 18 August the Grand Fleet put to sea in response to a message deciphered by Room 40 which indicated that the High Seas Fleet, less the II Squadron, would be leaving harbour that night. The German objective was to bombard Sunderland on the 19th, with extensive reconnaissance provided by airships and submarines. The Grand Fleet sailed with 29 dreadnought battleships and six battlecruisers, including Tiger. Throughout the 19th, Jellicoe and Scheer received conflicting intelligence, with the result that having reached its rendezvous in the North Sea, the Grand Fleet steered north in the erroneous belief it had entered a minefield before turning south again. Scheer steered south-eastward pursuing a lone British battle squadron reported by an airship, which was in fact the Harwich Force under Commodore Tyrwhitt. Having realised their mistake, the Germans then steered for home. The only contact came in the evening when Tyrwhitt sighted the High Seas Fleet, but he was unable to achieve an advantageous attack position before dark, and broke off contact. Both the British and the German fleets returned home; the British had lost two cruisers to submarine attacks, and a German dreadnought had been damaged by a torpedo. The ship received a lengthy refit from 10 November 1916 to 29 January 1917 at Rosyth where her deck and turret roof armour were reinforced and additional rangefinders were added over her conning tower and the rear of 'X' turret. For the remainder of the war, Tiger uneventfully patrolled the North Sea, as both fleets were essentially forbidden to risk any more losses. She provided support for British light forces involved in the Second Battle of Heligoland Bight on 17 November 1917, but never came within range of any German forces. The same year saw her undergo a minor refit during which a flying-off platform for a Sopwith Camel was mounted on 'Q' turret and a searchlight platform was added to her third funnel. She underwent a more extensive refit in 1918 which saw her topmast shifted to the top of the derrick-stump and a more substantial observation platform added to the foremast. Some of her short rangefinders were replaced by longer ones as well. Post-war Tiger remained in service with