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Notable events involving Diadem include:

18 Jan 1944
The heavy cruiser HMS Cumberland (Capt. W.Y.La R. Beverley, RN) and the light cruisers HMS Nigeria (Capt. S.H. Paton, RN) and HMS Diadem (Capt. E.G.A. Clifford, RN) conducted exercises off Scapa Flow. Later in the day they were joined by the destroyers HMS Swift (Lt.Cdr. J.R. Gower, RN) and HMS Verulam (Lt.Cdr. W.S. Thomas, DSC, RN). (1)

20 Jan 1944
The heavy cruiser HMS Cumberland (Capt. W.Y.La R. Beverley, RN) and the light cruiser HMS Nigeria (Capt. S.H. Paton, RN) conducted exercises off Scapa Flow.

HMS Cumberland returned to Scapa Flow late in the afternoon.

HMS Nigeria remained out for exercises and was joined by HMS Diadem (Capt. E.G.A. Clifford, RN). (1)

21 Feb 1944
The battleship HMS Anson (Capt. E.D.B. McCarthy, DSO and Bar, RN flying the flag of Vice-Admiral H.R. Moore, KCB, DSO, CVO, RN) conducted exercises off Scapa Flow. [No details available on her destroyer escorts].

These exercises included a range and inclination exercise with the light cruiser HMS Diadem (Capt. E.G.A. Clifford, RN) which was en-route from Greenock to Scapa Flow. (2)

16 Mar 1944
HMS Sheffield (Cdr. G.M. Sladen, DSO and Bar, DSC, RN) and HMS Diadem (Capt. E.G.A. Clifford, RN) conducted exercises off Scapa Flow. (3)

27 Mar 1944

Convoy JW 58.

This convoy departed Loch Ewe on 27 March 1944 and arrived in the Kola Inlet on 4 April 1944.

On departure the convoy was made up of the following merchant vessels; Andrew Carnegie (American, 7176 GRT, built 1942), Arunah S. Abell (American, 7176 GRT, built 1943), Barbara Frietchie (American, 7176 GRT, built 1943), Benjamin H. Latrobe (American, 7176 GRT, built 1942), Benjamin Schlesinger (American, 7176 GRT, built 1944), Charles Gordon Curtis (American, 7176 GRT, built 1942), Charles Henderson (American, 7176 GRT, built 1943), Dolabella (British, 8142 GRT, built 1939), Edward P. Alexander (American, 7201 GRT, built 1943), Empire Prowess (British, 7058 GRT, built 1943), Fort Columbia (British, 7155 GRT, built 1942), Fort Hall (British, 7157 GRT, built 1943), Fort Kullyspell (British, 7190 GRT, built 1943), Fort Vercheres (British, 7128 GRT, built 1942), Fort Yukon (British, 7153 GRT, built 1943), Francis Scott Key (American, 7191 GRT, built 1941), Francis Vigo (American, 7176 GRT, built 1943), George Gale (American, 7176 GRT, built 1942), George M. Cohan (American, 7176 GRT, built 1943), George T. Angell (American, 7176 GRT, built 1944), Grace Abbott (American, 7191 GRT, built 1942), Hawkins Fudske (American, 7176 GRT, built 1943), Henry Villard (American, 7176 GRT, built 1942), James Smith (American, 7181 GRT, built 1942), John B. Lennon (American, 7198 GRT, built 1943), John Carver (American, 7176 GRT, built 1942), John Davenport (American, 7176 GRT, built 1942), John McDonogh (American, 7176 GRT, built 1943), Joseph N. Nocollet (American, 7176 GRT, built 1943), Joshua Thomas (American, 7176 GRT, built 1943), Joyce Kilmer (American, 7176 GRT, built 1943), Julien Poydras (American, 7176 GRT, built 1943), Lacklan (British (tanker), 8670 GRT, built 1929), Morris Hillquit (American, 7210 GRT, built 1944), Nicholas Biddle (American, 7191 GRT, built 1942), Noreg (Norwegian (tanker), 7605 GRT, built 1931), Pierre S. Dupont (American, 7176 GRT, built 1942), Thomas Sim Lee (American, 7191 GRT, built 1942), Townsend Harris (American, 7176 GRT, built 1943), W.R. Grace (American, 7176 GRT, built 1943), William D. Byron (American, 7210 GRT, built 1944), William Matson (American, 7176 GRT, built 1943), William McKinley (American, 7200 GRT, built 1943), William Moultrie (American, 7177 GRT, built 1942), William Pepper (American, 7176 GRT, built 1943) and William S. Thayer (American, 7176 GRT, built 1943).

The rescue vessel Rathlin (British, 1600 GRT, built 1936) was also with the convoy.

On departure from Loch Ewe the convoy was escorted by the destroyers HMS Westcott (Cdr.(Retd.) H. Lambton, RN), HMS Whitehall (Lt.Cdr. P.J. Cowell, DSC, RN), HMS Wrestler (Lt.Cdr. R.W.B. Lacon, DSC, RN), HMS Inconstant (Lt.Cdr J.H. Eaden, DSC and Bar, RN), minesweepers Rattlesnake (Lt.Cdr. A.E. Coles, RD, RNR), Orestes (Lt.Cdr. A.W.R. Adams, RN), HMS Onyx (T/A/Lt.Cdr. C.C.L. Gaussen, RNVR) and the corvettes HMS Bluebell (Lt. G.H. Walker, DSC, RNVR), HMS Honeysuckle (T/Lt. J.A. Wright, RNR), HMS Lotus (Lt. C.S. Thomas, RNR), HMS Rhododendron (T/Lt. O.B. Medley, RNVR) and HMS Starwort (Lt. A.H. Kent, RNR).

On 28 March 1944, the light cruisers HMS Diadem (Capt. E.G.A. Clifford, RN), i>USS Milwaukee (T/Capt. C.F. Fielding, USN), escort carriers HMS Activity (Capt. G. Willoughby, RN), HMS Tracker (A/Capt. J.H. Huntley, RN) and the destroyers HMS Venus (Cdr. J.S.M. Richardson DSO, RN), HMS Scorpion (Lt.Cdr. W.S. Clouston, RN), HMS Serapis (Lt.Cdr. E.L. Jones, DSC, RN) and HNoMS Stord (Lt.Cdr. S.V. Storheill) departed Scapa Flow to join the convoy which they did on 29 March.

The sloops HMS Starling (Capt. F.J. Walker, CB, DSO and 2 Bars, RN), HMS Wild Goose (Lt.Cdr. D.E.G. Wemyss, DSC and Bar, RN), HMS Whimbrel (Lt.Cdr. W.J. Moore, DSC, RNR), HMS Wren (Lt.Cdr. S.R.J. Woods, RNR) and HMS Magpie (Lt.Cdr. R.S. Abram, RN) departed Scapa Flow also on 28 March to join the convoy which they too did on 29 March.

On 29 March 1944, the destroyers HMS Saumarez (Capt. P.G.L. Cazalet, DSC, RN), HMS Onslow (Capt. J.A. McCoy, DSO, RN), HMS Oribi (Lt.Cdr. J.C.A. Ingram, DSC and Bar, RN), HMS Offa (Lt.Cdr. R.F. Leonard, RN), HMS Obedient (Lt.Cdr. H. Unwin, DSC and Bar, RN), HMS Opportune (Cdr. J. Lee-Barber, DSO and Bar, RN), HMS Orwell (Lt.Cdr. J.M. Hodges, DSO, RN), HMS Impulsive (Lt.Cdr. P. Bekenn, RN), HMS Beagle (Lt.Cdr. N.R. Murch, RN), HMS Boadicea (Lt.Cdr. F.W. Hawkins, RN), HMS Keppel (Cdr. I.J. Tyson, DSC, RD, RNR) and HMS Walker (Lt.Cdr. A.N. Rowell, RN) departed Skaalefiord, Iceland and joined the convoy.

On 29 March 1944, the German submarine U-961 was sunk near the convoy by HMS Starling.

Also on 29 March, two more merchant ships joined the convoy, these were the Gilbert Stuart (American, 7176 GRT, built 1943) and John T. Holt (American, 7176 GRT, built 1943) coming from Reykjavik, Iceland. The merchant vessel Eloy Alfaro (American, 7176 GRT, built 1944) had also sailed with them but had to return and proceeded to Seidisfjord before she could join the convoy due to ice damage. She arrived at Seidisfjord on the 30th. These ships were escorted by the frigate HMS Fitzroy (Lt. C.D.C. McNeil, RNVR) and the minesweepers HMS Chamois (T/A/Lt.Cdr. D.P. Richardson, RNVR) and HMS Chance (T/Lt. P.P. Lees, RNVR). These escorts did not join the convoy.

Also on 29 March the minesweepers HMS Rattlesnake, HMS Onyx, HMS Orestes and the corvette HMS Starwort parted company with the convoy. The minesweepers proceeded to Skaalefjord, Faeroer Islands arriving there later the same day. HMS Starwort proceeded to Londonderry arriving the on the 30th.

On 30 March four German shadowing aircraft were shot down by fighters from the escort carriers which themselves lost two aircraft.

On 31 March the German submarine U-673 was damaged by HMS Beagle and aircraft from HMS Tracker.

On 2 April two German shadowing aircraft were shot down by fighters from the escort carriers. Also the German submarine U-360 was sunk by Hedgehog attack from HMS Keppel.

On 3 April the German submarine U-288 was sunk by aircraft from the escort carriers.

ON 4 April, the convoy (39 ships) was split into two sections, one proceeded to the Kola Inlet arriving later the same day with the original escort. The other (with 10 ships), with a local escort which joined on this day to the White Sea where it arrived on the 6th. This local escort was made up of the Russian destroyers Gremyashchiy, Razumniy, Razyarenniy and Valerian Kyubishev.

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Distant cover for this convoy was provided by a battleforce known as ' Force 1 ', it departed Scapa Flow around 1200A/30 and was made up of the battleships HMS Duke of York (Capt. G.H.E. Russell, RN, flying the flag of Admiral B.A. Fraser, GCB, KBE, RN), HMS Anson (Capt. E.D.B. McCarthy, DSO and Bar, RN flying the flag of Vice-Admiral H.R. Moore, KCB, DSO, CVO, RN), aircraft carrier HMS Victorious (Capt. M.M. Denny, CB, CBE, RN), light cruiser HMS Belfast (Capt. F.R. Parham, DSO, RN) and the destroyers HMS Onslaught (Cdr. the Hon. A. Pleydell-Bouverie, RN), HMS Javelin (Lt.Cdr. P.B.N. Lewis, DSC, RN), ORP Piorun (Cdr. T. Gorazdowski), HMCS Algonquin (Lt.Cdr. D.W. Piers, DSC, RCN) and HMCS Sioux (A/Lt.Cdr. E.E.G. Boak, RCN).

Around 0250A/31, the destroyers HMS Milne (Capt. I.M.R. Campbell, DSO, RN), HMS Marne (Lt.Cdr. P.A.R. Withers, DSO, RN), HMS Matchless (Lt.Cdr. E.N. Walmsley, DSC and Bar, RN), HMS Meteor (Lt.Cdr. D.J.B. Jewitt, RN), HMS Undaunted (Lt.Cdr. A.A. Mackenzie, RD, RNR) and HMS Ursa (Cdr. D.B. Wyburd, DSC, RN) joined coming from Skaalefjord, Faeroer Islands.

Around 0340A/31, the original destroyer screen were detached to Skaalefjord arriving there later the same day.

On 2 April ' Force 1 ' proceeded to join ' Force 2 ' coming from Scapa Flow for the upcoming Operation Tungsten. (4)

4 May 1944
Rear-Admiral R.R. McGrigor, CB, DSO, RN, transferred his flag from HMS Diadem (Capt. E.G.A. Clifford, RN) to HMS Kent (Capt. G.A.B. Hawkins, DSC, MVO, RN). (5)

26 Jun 1944
HMS Rodney (Capt. R.O. Fitzroy, RN) started a bombardment with her 16" main battery at 0819B/26. Fire was ceased at 0954B/26.

HMS Roberts (A/Capt.(Retd.) R.E.C. Dunbar, RN) apparently also participated in this bombardment. [No log for this ship is available, so more details can be given.]

HMS Diadem (Capt. E.G.A. Clifford, RN) also participated in this bombardment. She opened fire around 0800B/26.

The targets were the 1st, 9th and 12th SS Panzer Divisions.

At 1232B/26, HMS Rodney opened fire with her 16" main battery. Target was Carpiquet airfield. Fire was ceased at 1326B/26.

Around 1615B/26, HMS Belfast (Capt. F.R. Parham, RN) and HMS Diadem opened fire on a shore battery. (6)

14 Sep 1944
Rear-Admiral R.R. McGrigor, CB, DSO, RN, transferred his flag from HMS Kent (Capt. G.A.B. Hawkins, DSC, MVO, RN) to HMS Diadem (Capt. E.G.A. Clifford, RN). (7)

15 Sep 1944

Convoy JW 60.

This convoy departed Loch Ewe on 15 September 1944 and arrived in the Kola Inlet on 23 September 1944.

The convoy was made up of the following merchant vessels; Adolph S. Ochs (British, 7219 GRT, built 1943), Arunah S. Abell (American, 7176 GRT, built 1943), British Patience (British (tanker), 8097 GRT, built 1943), Cardinal Gibbons (American, 7191 GRT, built 1942), Daniel Willard (American, 7200 GRT, built 1942), David Stone (American, 7177 GRT, built 1942), Dexter W. Fellows (American, 7210 GRT, built 1944), Edward A. Savoy (American, 7210 GRT, built 1944), Edward E. Spafford (American, 7176 GRT, built 1944), Empire Celia (British, 7025 GRT, built 1943), Francis Scott Key (Amercian, 7191 GRT, built 1941), Frederic A. Kummer (American, 7210 GRT, built 1944), Frederic W. Taylor (American, 7176 GRT, built 1944), George T. Angell (American, 7176 GRT, built 1944), Hawkins Fudske (American, 7176 GRT, built 1943), Henry Lomb (American, 7176 GRT, built 1943), John J. Abel (American, 7191 GRT, built 1943), John Vining (American, 7191 GRT, built 1943), John Woolman (American, 7191 GRT, built 1943), Joshua Thomas (American, 7176 GRT, built 1943), Julius Olsen (American, 7247 GRT, built 1944), Lewis Emery Jr. (American, 7176 GRT, built 1943), Lucerna (British (tanker for refueling the escorts), 6556 GRT, built 1930), Nathaniel Alexander (American, 7177 GRT, built 1942), Neritina (British (tanker), 8228 GRT, built 1943), Noreg (Norwegian (tanker), 7605 GRT, built 1931), Raymond B. Stevens (American, 7176 GRT, built 1944), Richard M. Johnson (American, 7176 GRT, built 1943), Samaritan (British, 7219 GRT, built 1943) and Thomas U. Walter (American, 7176 GRT, built 1943).

The rescue ship Zamalek (British, 1567 GRT, built 1921) was also with the convoy.

The convoy had a close escort made up of the sloop HMS Cygnet (Cdr. D.M. MacLean, RD, RNR, Senior Officer of the close escort), destroyers HMS Bulldog (Lt.Cdr. C.G. Walker, RN), HMS Keppel (Cdr. I.J. Tyson, DSO, DSC, RNR), HMS Whitehall (Lt.Cdr. P.J. Cowell, DSC, RN) and the corvettes HMS Allington Castle (A/Lt.Cdr. P.A. Read, RNR) and HMS Bamborough Castle (T/Lt. M.S. Work, DSC and Bar, RNR).

A group of destroyers; HMS Saumarez (Capt. P.G.L. Cazalet, DSC, RN), HMS Scorpion (Cdr. W.S. Clouston, DSC, RN), HMS Venus (Cdr. J.S.M. Richardson DSO, RN), HMS Virago (Lt.Cdr. A.J.R. White, RN) and HMS Volage (Cdr. L.G. Durlacher, OBE, RN) also departed Loch Ewe with the convoy. The destroyer HMCS Sioux (A/Lt.Cdr. E.E.G. Boak, RCN) later joined at sea having departed Scapa Flow at 2359B/14.

To provide cover for this convoy the battleship HMS Rodney (Capt. R.O. Fitzroy, RN), escort carriers HMS Campania (A/Capt. K.A. Short, RN, flying the flag of Rear-Admiral R.R. McGrigor, CB, DSO, RN), HMS Striker (Capt. W.P. Carne, RN), light cruiser HMS Diadem (Capt. E.G.A. Clifford, RN) and the destroyers HMS Myngs (Capt. M.L. Power, CBE, RN), HMS Zambesi (Lt.Cdr. W. Scott, DSC and Bar, RN), HMS Verulam (Lt.Cdr. W.S. Thomas, DSC, RN), HMCS Algonquin (Lt.Cdr. D.W. Piers, DSC, RCN), HMS Savage (Lt.Cdr. C.W. Malins, DSO, DSC and Bar, RN) and HNoMS Stord (Lt.Cdr. H. Øi) departed Scapa Flow around 1300B/16.

At 0720B/17, the destroyers HMS Milne (Capt. M. Richmond, DSO, OBE, RN), HMS Marne (Lt.Cdr. P.A.R. Withers, DSO, RN), HMS Meteor (Lt.Cdr. D.J.B. Jewitt, RN) and HMS Musketeer (Cdr. R.L. Fisher, OBE, DSC, RN) joined. These destroyers had departed Scapa Flow at 2100B/15 and had fuelled at Skaalefiord in the Faroer Islands on the 16th. Upon these destroyers joining HMS Myngs, HMS Zambesi, HMS Savage and HNoMS Stord then parted company to return to Scapa Flow where they arrived at 1900B/17.

The cover force joined the convoy around 1030B/17. HMS Rodney and the escort carriers took station in the convoy.

The convoy and it's escort arrived in the Kola Inlet unmolested on 23 September.

On arrival Rear-Admiral McGregor transferred his flag to HMS Rodney. Shortly before leaving the Kola Inlet with the return convoy he transferred back to HMS Campania.

15 Sep 1944
Rear-Admiral R.R. McGrigor, CB, DSO, RN, transferred his flag from HMS Diadem (Capt. E.G.A. Clifford, RN) to HMS Kent (Capt. G.A.B. Hawkins, DSC, MVO, RN). (7)

28 Sep 1944

Convoy RA 60.

This convoy departed the Kola Inlet on 28 September 1944 and arrived in the Clyde on 5 October 1944.

The convoy was made up of the following merchant vessels; British Promise (British (tanker), 8443 GRT, built 1942), Charles A. McAllister (American, 7176 GRT, built 1943), Charles Dauray (American, 7176 GRT, built 1944), Clark Howell (American, 7198 GRT, built 1944), David B. Johnson (American, 7198 GRT, built 1944), Edward H. Crockett (American, 7176 GRT, built 1944), Edward L. Grant (American, 7176 GRT, built 1943), Elijah Kellogg (American, 7176 GRT, built 1944), Fort Glenora (American, 7126 GRT, built 1943), Frank Gilbreth (American, 7176 GRT, built 1944), John La Farge (American, 7176 GRT, built 1943), Jose Marti (American, 7176 GRT, built 1943), Josephine Shaw Lowell (American, 7176 GRT, built 1944), Leo J. Duster (American, 7176 GRT, built 1943), Nacella (British (tanker), 8196 GRT, built 1943), Noreg (Norwegian (tanker), 7605 GRT, built 1931), Oakley Wood (American, 7210 GRT, built 1944), Samannan (British, 7219 GRT, built 1944), Samcalia (British, 7219 GRT, built 1943), Samconstant (British, 7219 GRT, built 1944), Samgara (British, 7219 GRT, built 1943), Samidway (British, 7219 GRT, built 1943), Samloyal (British, 7210 GRT, built 1944), Samlyth (British, 7210 GRT, built 1944), Samsuva (British, 7219 GRT, built 1944), Samtredy (British, 7219 GRT, built 1943), Silas Weir Mitchell (American, 7176 GRT, built 1943), Thomas Donaldson (American, 7210 GRT, built 1944), Thomas H. Sumner (American, 7176 GRT, built 1944) and Warren Delano (American, 7210 GRT, built 1944).

Two rescue ships were with the convoy Rathlin (British, 1600 GRT, built 1936) and Zamalek (British, 1567 GRT, built 1921).

The convoy had a close escort made up of the sloop HMS Cygnet (Cdr. D.M. MacLean, RD, RNR, Senior Officer of the close escort), destroyers HMS Bulldog (Lt.Cdr. C.G. Walker, RN), HMS Keppel (Cdr. I.J. Tyson, DSO, DSC, RNR), HMS Whitehall (Lt.Cdr. P.J. Cowell, DSC, RN) and the corvettes HMS Allington Castle (A/Lt.Cdr. P.A. Read, RNR) and HMS Bamborough Castle (T/Lt. M.S. Work, DSC and Bar, RNR).

A cover force was with the convoy made up of HMS Rodney (Capt. R.O. Fitzroy, RN), escort carriers HMS Campania (A/Capt. K.A. Short, RN, flying the flag of Rear-Admiral R.R. McGrigor, CB, DSO, RN), HMS Striker (Capt. W.P. Carne, RN), light cruiser HMS Diadem (Capt. E.G.A. Clifford, RN) and the destroyers HMS Milne (Capt. M. Richmond, DSO, OBE, RN), HMS Marne (Lt.Cdr. P.A.R. Withers, DSO, RN), HMS Meteor (Lt.Cdr. D.J.B. Jewitt, RN and HMS Musketeer (Cdr. R.L. Fisher, OBE, DSC, RN), HMS Saumarez (Capt. P.G.L. Cazalet, DSC, RN), HMS Scorpion (Cdr. W.S. Clouston, DSC, RN), HMS Venus (Cdr. J.S.M. Richardson DSO, RN), HMS Verulam (Lt.Cdr. W.S. Thomas, DSC, RN), HMS Virago (Lt.Cdr. A.J.R. White, RN) and HMS Volage (Cdr. L.G. Durlacher, OBE, RN), HMCS Algonquin (Lt.Cdr. D.W. Piers, DSC, RCN) and HMCS Sioux (A/Lt.Cdr. E.E.G. Boak, RCN).

On 29 September 1944 the merchant vessels Edward H. Crockett and Samsuva were sunk during an attack by the German submarine U-310. Following the sinking the rescue ships picked up the survivors and the wreck of the Edward H. Crockett was scuttled by HMS Milne and the wreck of the Samsuva by HMS Bulldog and HMS Musketeer. The German submarine was hunted and depth charged but managed to escape undamaged.

HMS Diadem arrived at Scapa Flow at 0700A/3 having parted company with the convoy at 2030B/1.

Around 1800A/3, HMS Rodney, HMS Campania, HMS Striker, HMS Saumarez, HMS Scorpion, HMS Venus, HMS Virago, HMS Volage and HMCS Sioux parted company with the convoy to proceed to Scapa Flow where they arrived around 0800A/4.

The remaining destroyers, HMS Milne, HMS Marne, HMS Meteor, HMS Musketeer, HMS Verulam and HMCS Algonquin parted company with the convoy later and arrived at Scapa Flow around 1800A/4.

The convoy arrived in the Clyde on 5 October 1944.

4 Oct 1944
The flag of Vice-Admiral F.H.G. Dalrymple-Hamilton, CB, RN, was transferred from HMS Kent (Capt. G.A.B. Hawkins, DSC, MVO, RN) to HMS Diadem (Capt. E.G.A. Clifford, RN).

Following this the flag of Rear-Admiral R.R. McGrigor, CB, DSO, RN, was transferred from HMS Campania (A/Capt. K.A. Short, RN) to HMS Kent. (8)

22 Nov 1944
HMS Norfolk (Capt. J.G.Y. Loveband, RN) conducted exercises off Scapa Flow. These included a range and inclination (RIX) exercise with HMS Diadem (Capt. E.G.A. Clifford, RN, flying the flag of Vice-Admiral F.H.G. Dalrymple-Hamilton, KCB, RN) and a night encounter (NEX) exercises with HMS Zebra (Lt.Cdr. E.C. Peake, RN). (9)

24 Nov 1944
HMS Norfolk (Capt. J.G.Y. Loveband, RN) and HMS Diadem (Capt. E.G.A. Clifford, RN, flying the flag of Vice-Admiral F.H.G. Dalrymple-Hamilton, KCB, RN) conducted exercises off Scapa Flow. (9)

20 Dec 1944

Operation Fretsaw.

The object of this operation was to destroy enemy shipping in the Stadlandet area and to disturb enemy convoy arrangements.

Two Force's were deployed for this operation; ' Force 3 ' was to conduct the actual raid and cover was provided by ' Force 4 '.

Around 1500A/20, ' Force 3 ', made up of the light cruisers HMS Diadem (Capt. E.G.A. Clifford, RN, flying the flag of Vice-Admiral F.H.G. Dalrymple-Hamilton, KCB, RN), HMS Mauritius (Capt. C.A.E. Stanfield, RN) and the destroyers HMS Myngs (Capt. P.G.L. Cazalet, DSC, RN), HMS Savage (Lt.Cdr. C.W. Malins, DSO, DSC and Bar, RN) and HMCS Sioux (A/Lt.Cdr. E.E.G. Boak, RCN) departed Scapa Flow.

Around 1100A/21, ' Force 4 ', made up of the heavy cruiser HMS Norfolk (Capt. J.G.Y. Loveband, RN), escort carrier HMS Trumpeter (Cdr. K.S. Colquhoun, RN) and the destroyers HMS Zealous (Cdr. R.F. Jessel, DSO, DSC and Bar, RN), HMS Scorpion (Cdr. C.W. McMullen, DSC, RN), HMS Serapis (Lt.Cdr. E.L. Jones, DSC, RN), HMS Obedient (Lt.Cdr. H. Unwin, DSC and Bar, RN) and HMS Orwell (Lt.Cdr. J.R. Gower, RN) departed Scapa Flow.

' Force 3 ' conducted an anti-shipping sweep through the Stadlandet area during the night of 22/23 December but no enemy shipping was encountered.

' Force 3 ' returned to Scapa Flow around 1545A/23.

' Force 4 ' returned to Scapa Flow around 1900A/23. (10)

31 Jan 1945
The heavy cruisers HMS Norfolk (Capt. J.G.Y. Loveband, RN, flying the flag of Rear-Admiral R.R. McGrigor, CB, DSO, RN), HMS Devonshire (Capt. G.M.B. Langley, OBE, RN), light cruisers HMS Diadem (Capt. E.G.A. Clifford, RN, flying the flag of Vice-Admiral F.H.G. Dalrymple-Hamilton, KCB, RN), HMS Dido (Capt. R.F. Elkins, OBE, RN), destroyer HMS Zebra (Lt.Cdr. E.C. Peake, RN) and escort destroyer HMS Blackmore (Lt. J.S. Kerans, RN) conducted exercises off Scapa Flow. (11)

6 Mar 1945
Vice-Admiral F.H.G. Dalrymple-Hamilton, KCB, RN, transferred his flag from HMS Birmingham (Capt. H.W. Williams, RN) to HMS Diadem (Capt. E.G.A. Clifford, CB, RN). (12)

26 Apr 1945
HMS Birmingham (Capt. H.W. Williams, RN), HMS Cleopatra (Capt. B.I. Robertshaw, RN), HMS Diadem (Capt. A.M. Knapp, RN), HMS Obdurate (Lt.Cdr. R.D. Franks, DSO, DSC, OBE, RN) and ORP Garland (Lt. K. Hess) were all conducting exercises at Scapa Flow. (13)

1 May 1945

Operation Judgement.

The main object of the operastion was the destruction of U-boat depot ships at Kolbotn. The secondary object was to destroy enemy shipping anchored of Sandnesjoen.

The Force deployed for this operation departed Scapa Flow around 1130B/1 and was made up of the heavy cruiser HMS Norfolk (Capt. J.G.Y. Loveband, RN, flying the flag of Vice-Admiral R.R. McGrigor, CB, DSO, RN), light cruiser HMS Diadem (Capt. A.M. Knapp, RN), escort carriers HMS Queen (A/Capt. K.J. D'Arcy, DSO, RN), HMS Searcher (Capt. J.W. Grant, DSO, RN), HMS Trumpeter (A/Capt. K.S. Colquhoun, RN) and the destroyers HMS Carysfort (Lt.Cdr. L.St.G. Rich, DSO and Bar, RN), HMS Zambesi (Lt.Cdr. J.M. Palmer, RN), HMS Savage (Lt.Cdr. C.W. Malins, DSO, DSC and Bar, RN), HMS Scourge (Lt.Cdr. C.G.H. Brown, DSC, RN), HMS Opportune (Cdr. R.E.D. Ryder, VC, RN), Orwell and HMS Obedient (Lt.Cdr. H. Kirkwood, DSC and Bar, RN).

In the early morning of 3 May the destroyers were fuelled by HMS Norfolk, HMS Searcher, HMS Trumpeter and the RFA tanker Blue Ranger (3417 GRT, built 1941) which had also been deployed.

At 1020B/3, the Blue Ranger parted company escorted by HMS Obedient and HMS Orwell. HMS Orwell escorting the Blue Ranger arrived at Scapa Flow on 7 May. HMS Obedient had been detached and already arrived at Scapa Flow on 5 May.

Around 1600B/4, the escort carrier commenced flying off aircraft to attack the German base at Kilbotn, just south of Harstad. During the attacks the depot ships Black Watch (5035 GRT, built 1939) and Senja (858 GRT, built 1938). Also sunk was the submarine U-711 which was alongside the Black Watch. Aircraft involved were eight Avengers and four Wildcats from 846 Squadron in HMS Trumpeter, eight Avengers and four Wildcats from 853 Squadron in HMS Queen, and twenty Wildcats from 882 Squadron in HMS Queen.

By 1809B/4, all aircraft had landed on except for one Avenger and one Wildcat. All crews were lost.

At 0700B/5, HMS Norfolk and HMS Diadem parted company to proceed ahead to Scapa Flow where they arrived around 0800B/6.

The destroyers HMS Carysfort, HMS Zambesi, HMS Savage, HMS Scourge and HMS Opportune also arrived at Scapa Flow, most likely late on the 6th.

The three escort carriers remained at sea and were joined around 2359B/6 by the escort carrier HMS Campania (Capt. C.B. Alers-Hankey, DSC, RN) and the destroyers HMS Obdurate (Lt.Cdr. R.D. Franks, DSO, DSC, OBE, RN), HNoMS Stord (Lt.Cdr. H. Øi) and ORP Piorun (Lt.Cdr. J. Tchorznicki, ORP). (14)