Adventure Class light cruisers built before World War I. Ships in the class were HMS Adventure and HMS Attentive.

HMS Adventue has been  in commissioned reserve since completion at the Nore. in April 1907 she had been involved in a collision which sunk a sailing ship off the Sussex Coast.  HMS Adventure was the flagship for the 1st torpedo Boat destroyer Flotilla.  refitte3d at Chatham in June 1910. After refit In April 1911 at Devonport became Flotilla leader for the 2nd destroyer Flotilla.  Again having a refit at Devonport in August 1912, she then joined the  3rd light cruiser squadron Maneuvers.. In July 1913, HMS Adventure was re-commissioned  for the 6th destroyer flotilla based at Dover.  until may 1915 when she again moved and joined the  6th Light Cruiser squadron based on the Humber. In July 1915 she became flagship at Queenstown until November 1917. During this period on the 26th December 1915 she rescued the crew of SS Huronian.  from April 1918 until November 1918she was involved in escort duties for Convoys to Gibraltar.  she then went to the Mediterranean. and In June 1919 she went to the Aegean. returning to Immingham to be paid off 12th august 1919. and while  on the Humber she was rammed by a trawler in January 1920. She was sold to the breakers and was towed by HMS Skirmisher to Morecambe.

HMS Attentive went into reserve fleet at the Nore on completion in June 1906.  In march 1907 she was commissioned at Chatham for the Nore division of the Home Fleet. On the afternoon of the 27th April 1908 , the eastern destroyer Flotilla, consisting of 15 vessels, in company with the scouts HMS Adventure and HMS Attentive, left  Harwich for the purpose of firing exercise and night ,maneuvers. a little after midnight all the vessels having their lights masked, HMS Gala one of the destroyers came into collision  with HMS Attentive being struck by the latter's ram in the after part of the engine room and cut in two. Fortunately in this case all the crew were saved, except Engineer Lieutenant F A Fletcher, who was drowned. HMS Attentive afterwards came into collision with another of the destroyers HMS Ribble which received damage sufficiently serious to oblige her to put back to sheerness. The fore part of HMS Gala sunk almost immediately, but the after part, with all the  crew clinging to it remained afloat for some time, sinking while an attempt was being made to tow it into shallow water.  HMS Attentive was re commissioned at Chatham in July 1909 and became leader for the 3td Destroyer Flotilla, transferring in 1910 to the 2nd Destroyer flotilla recommissioned  at Devonport in October 1911 and went into refit in August 1912,  after which she joined the 3rd Light Cruiser squadron for the annual maneuvers in 1913. In July 1913 she joined the 1st destroyer Flotilla. Joining in 1914 the 6th destroyer Flotilla at Dover. Spending most of the war years as part of the Dover patrol (except April 1914 when she went to Ulster)  On the 25th April 1918 she took part in the Zeebrugge raid. this was followed by escorting duties for Convoys going to Gibraltar. spending the following couple of months Off north Russia. finally paid off in December 1918.  and scrapped April 1920.