Watch Your Audience Grow

photo caption: HMS Diadem (Cruiser)was a Bellona-class cruiser of the Royal Navy. She was a modified Dido design with only 4 turrets but improved AA armament – aka Dido Group 2. She was built by R. and W. Hawthorn, Leslie and Company, Limited (Hebbum- on- Tyne, UK), with the keel being laid down on 15 Dec. 1939. She was launched on 21 Aug.1942, and commissioned 6 Jan 1944

From:
http://royalnavymemories.co.uk/operation-kingdom/