Naval History Homepage and Site Search

 

 

SERVICE HISTORIES of ROYAL NAVY WARSHIPS in WORLD WAR 2

by Lt Cdr Geoffrey B Mason RN (Rtd) (c) 2004

HMS DIADEM  -  Bellona-class AA Cruiser  
including Convoy Escort Movements

HMS Spartan, sister ship (Navy Photos, click to enlarge)

return to Contents List   

 

Improved DIDO-Class cruiser ordered from R & W Hawthorn, Leslie & Co. Ltd  on 4th September 1939. The ship was laid down on 15th December 1939 and was launched on 26th August 1942 as the 7th ship to carry this name, introduced in 1782 for a 3rd Rate and last carried by a 1st Class Cruiser in 1892. Two craft requisitioned for use as minesweepers in WW2 also had this name This cruiser was completed in January 1944 and later adopted by the civil community of the Borough of Luton, Bedfordshire in place of HMS CERES which had been paid off.

 

B a t t l e   H o n o u r s 

TOULON 1793 - GENOA 1795 - ST VINCENT 1797 - EGYPT 1801 - CAPE OF GOOD HOPE 1806 - ARCTIC 1944-45 - NORMANDY 1944 - BISCAY 1944 - NORWAY 1945

H e r a l d i c   D a t a

Badge:  On a Field Blue, a circlet of Estoiles, White

 

 

D e t a i l s   o f   W a r   S e r v i c e

 

(for more ship information, go to Naval History Homepage and type name in Site Search

 

 

1 9 4 3

 

December              Contractors trials

 

1 9 4 4

 

January                  Commissioned for service.

                6th          Build completion and commenced Acceptance Trials.

                                On completion of trials and storing took passage to Scapa Flow.

 

February                Worked-up for service with 10th Cruiser Squadron, Home Fleet.

 

March                    On completion deployed in NW Approaches for convoy defence and interception.

                29th        Joined escort for Russian Convoy JW58 with HM Escort Aircraft Carriers ACTIVITY,

                                and TRACKER screened by HM Destroyers IMPULSIVE, INCONSTANT,

                                OBEDIENT, OFFA, ONSLAUGHT, ONSLOW, ORIBI, ORWELL, SAUMAREZ,

                                SERAPIS, SCORPION VENUS and Norwegian STORD (Operation FZ).

                                (For details of all Russian Convoy operations see CONVOYS TO RUSSIA by RA Ruegg,

                                THE RUSSIAN CONVOYS by B Schoefield, CONVOY ! by P Kemp and RUSSIAN

                                CONVOYS by R Woodman.).

 

April

                6th          Joined escort for returning convoy RA58 with Fleet destroyers.

                13th        Detached and rejoined Home Fleet.

                20th        Independent passage to Murmansk with HM Escort Carriers ACTIVITY and FENCER, 16

                                destroyers and 6th Escort Group to escort empty ships returning from Russia.

                28th        Escorted returning convoy RA59 with HMS FENCER and Fleet destroyers.

 

May

                3rd          Detached and rejoined Home Fleet

                30th        Detached for support duty during Normandy landings in Bombarding Force E.

                                (Operation NEPTUNE).

 

June

                3rd          Sailed from Clyde with HM Cruiser BELFAST escorted by HM Destroyers ULSTER and

                                URCHIN as Convoy G14.

                6th          Bombarded Battery at Beny sur Mer in accordance with Pre-arranged Fire Plan.

                                Provided naval gunfire support as required.

                14th        Deployed with Eastern Task Force on completion of Assault Phase.

                19th        Damaged in collision with RHINO Ferry off Normandy during gale.

                26th        Bombarded Caen area with HM Battleship RODNEY, HM Monitor ROBERTS, HM Cruisers

                                ARGONAUT and BELFAST to support military operations to break-out from coastal areas

                                and move inland.

 

July                         Transferred to Plymouth Command for interception of evacuation convoys in Bay of Biscay.

                                (For details o Channel operations see HOLD THE NARROW SEA by P Smith).

 

August                  Damaged slightly by German explosive motor boat (LINSEN) attack off Normandy.

                12th        Deployed with HM Destroyer ONSLOW and Polish destroyer ORP PIORUN as Force 28 for

                                offensive sweeps in Bay of Biscay.

                                Sank German minesweeper (SPERBRECHER 7) near La Rochelle.

                22nd       Attacked targets on Ile d'Yeu with HMS ONSLOW and ORP PIORUN.

 

September             Rejoined Home Fleet at Scapa Flow.

                19th        Part of escort for Russian Convoy JW60 with HM Escort Carriers CAMPANIA and

                                STRIKER screened by Fleet destroyers

                23rd        Released on arrival at Kola Inlet.

                28th        Joined escort for returning convoy RA60 with HM Battleship RODNEY and escorting

                                ships as JW60.

 

October

                3rd          Rejoined Home Fleet at Scapa Flow.

 

November              Under repair at Rosyth.

                20th        Senior Officer of Force 3 escorting HM Escort Carriers PREMIER and PURSUER for air

                                minelay in Karm Sund with Fleet destroyers (Operation HANDFAST).

                                (For details of all minelaying operations see Naval Staff History MINING).

 

December

                7th          Escorted HM Aircraft Carrier IMPLACABLE, HM Escort Carriers TRUMPETER and

                                PREMIER for joint air minelay and shipping strikes in Karm Sund with eight Fleet destroyers.

                                (Operation URBANE)

 

1 9 4 5

.

January

                1st           Joined Russian Convoy JW63 with HM Escort Carrier VINDEX to reinforce anti-

                                submarine defence.

                                (Note: HM Destroyers , SAVAGE, SCOURGE, SERAPIS, ZAMBESI, ZEBRA,

                                HM Canadian Destroyers SIOUX, ALGONQUIN and the Norwegian destroyer

                                STORD were deployed as Fighting Destroyer Escort.

                                HM Destroyers KEPPEL, WALKER, WESTCOTT, HM Sloops CYGNET, LARK,

                                HM Corvettes ALNWICK CASTLE, BAMBOROUGH CASTLE, BLUEBELL and

                                RHODODENDRON formed Closer Escort.

                11th        Returned with Convoy RA63 which was forced to shelter in Faeroes from extreme weather.

                23rd        Resumed Home Fleet duties.

                28th        In action with HM Cruiser MAURITIUS against German destroyers of 4th Flotilla which were

                                attempting to enter Baltic Sea from Bergen. German Z31 was damaged and enemy ships

                                returned to port.

                                Sustained damage abaft fore funnel from 5.9in shell.

                                (Note: Other 2 destroyers (Z34 and Z38) made transit next day).

 

 February               Under repair for two weeks.

 

March                    Rejoined Home Fleet on completion.

                12th        Joined Russian Convoy JW65 with HMS CAMPANIA. HM Destroyers ONSLAUGHT,

                                OPPORTUNE, ORWELL, SCORPION and ZAMBESI as Ocean Escort.

                                (Note: Close escort included HM Destroyer MYNGS, SIOUX (RCN), Norwegian STORD,

                                HM Sloop LAPWING and seven corvettes from Western Approaches Command.

                                HM Escort Carrier TRUMPETER screened by HM Destroyers SAVAGE and SCOURGE

                                joined JW65 later.)

                20th        Under U-Boat attacks during which HMS LAPWING and a mercantile were sunk.

                                Detached on arrival at Kola Inlet.

                23rd        Sailed from Kola Inlet as part of escort for returning convoy RA65 with HMS TRUMPETER,

                                HMS CAMPANIA and Fleet destroyers of JW63 escort.

                30th        Detached from RA65 and Rejoined Home Fleet.

 

April                       Provided Distant Cover during passage of Russian Convoy JW66 and returning RA66 with

                                Home Fleet ships deployed for operations off Norway.

                22nd       Escorted HM Escort Carriers SEARCHER and QUEEN with Fleet destroyers for attacks on

                                shipping off coast of Norway

 

May

                4th          Escorted HMS SEARCHER, HMS QUEEN, HMS TRUMPETER with HM Cruiser

                                NORFOLK and Fleet destroyers during air attacks on shipping west of Narvik and on shore

                                targets.

                                German Depot Ship BLACK WATCH, U711 and a trawler were sunk.

                                (Operation JUDGEMENT).

                5th          Recalled to prepare for re-occupation operations in Low countries.

                23rd        At Copenhagen as Guardship.

 

June                        Attended Oslo Victory Parade with HM Cruiser BELLONA.

                28th        Deployed at Copenhagen as Guardship.

 

P o s t   W a r   N o t e s

 

HMS DIADEM served as Flagship of 2nd Cruiser Squadron, Home Fleet until 1950 when she was placed in Reserve. In 1956 she was sold to Pakistan under the Mutual Defence Aid Programme agreement with the USA. Before leaving UK HMS DIADEM was given an extensive refit and renamed BABUR in July 1957.The ship was still in use as a Training Cruiser in 1975.

 

 


 

Addendum

 

CONVOY ESCORT MOVEMENTS of HMS DIADEM

by Don Kindell

 

These convoy lists have not been cross-checked with the text above

 

 

 

 

 

Date convoy sailed

Joined convoy as escort

Convoy No.

Left convoy

Date convoy arrived

 

 

 

 

 

27/03/44

29/03/44

JW 058

04/04/44

04/04/44

07/04/44

07/04/44

RA 058

13/04/44

14/04/44

28/04/44

28/04/44

RA 059

03/05/44

06/05/44

15/09/44

17/09/44

JW 060

23/09/44

23/09/44

28/09/44

28/09/44

RA 060

03/10/44

05/10/44

30/12/44

01/01/45

JW 063

08/01/45

08/01/45

11/01/45

11/01/45

RA 063

18/01/45

21/01/45

11/03/45

12/03/45

JW 065

21/03/45

21/03/45

23/03/45

23/03/45

RA 065

30/03/45

01/04/45

 

 

 

 

 

(Note on Convoys)

 

 

back to Contents List
or Naval-History.Net

revised 3/6/11
further editing and formatting is required