High Quality Content by WIKIPEDIA articles! HMS Spartan was a Dido-class light cruiser of the Bellona subgroup of the Royal Navy. She was a modified Dido design with only four turrets but improved anti-aircraft armament - aka Dido Group 2. She was built by Vickers-Armstrongs (Barrow-in-Furness, UK), with the keel being laid down on 21 December 1939. She was launched on 27 August 1942, and commissioned on 10 January 1943.