(C) Crown Copyright Catalogue Reference:Cab/66/16/15 Image
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(c) crown copyright Catalogue Reference:cab/66/16/15 Image Reference:0001 THIS DOCUMENT IS THE PROPERTY OP HIS BRITANNIC MAJESTY'S GOVERNMENT SECRET Copy No. W.P. (41) 92 (Also Paper No. G.O.S. (4l) 263) April 24, 1941 TO BE KEPT UNDER LOCK AND KEY. It is requested that special care may be taken to ensure the secrecy of this document. WAR CABINET WEEKLY RESUME (No. 86) of the NAVAL, MILITARY AND AIR SITUATION from 12 noon April 17th, to 12 noon April 24th, 1941 [Circulated with the approval of the Chiefs of Staff.] Cabinet War Room NAYAL SITUATION. Tripoli has been bombarded by the Mediterranean Fleet, v; There have been no losses in Atlantic convoys and shipping losses generally are lower. Home Waters. 2. E-Boats attacked a coastal convoy oh South wold on the 17th April and sank two ships and damaged a third. The E-Boats were engaged and one was hit but escaped in the mist. M.T.Bs. carried out offensive sweeps off the Flanders coast during the night the 17th/18th, but without result. The Free French submarine Minerve obtained one certain and one probable hit on a large tanker off the S.W. coast of Norway on the 21st, and suffered some damage herself. The German battle-cruisers Scharnhorst and Gneisenau have been at Brest throughout the week, and have been repeatedly attacked by the R.A.F. as detailed in the Air Section of this Resume. During an air raid on Portsmouth during the night the 17th/18th three or four bombs fell in the Dockyard causing minor damage. Admiralty House received a direct hit, and there were 6 killed and 60 wounded in R.N. barracks. There was further damage on the night the 23rd/24th. Heavy air raids on Plymouth on the nights of the 21st, 22nd and 23rd caused severe damage and casualties in the Dockyard and Naval establishments, especially in the South Yard and in the Naval and Marine Barracks. H.M. Destroyer Lewes was also damaged. H.M. Trawler Basset destroyed an enemy aircraft off Harwich on the 20th and damaged another. The 10th Canadian troop Convoy arrived safely in the Clyde on the 19th April. Atlantic. 3. H.M.S. Resolution has arrived in Philadelphia Navy Yard for refitting. During the week ten French merchant vessels eastbound and nine westbound have passed Gibraltar, all under escort. FI.M. Armed Merchant Cruiser Bulolo intercepted the French Ship Fort de France 500 miles W. of the Canaries on the 19th April, and is sending her in to Gibraltar under armed guard. Mediterranean. 4. The Commander-in-Chief, Mediterranean, in H.M.S. Warspite, with H.M. Ships Barham, Valiant, Malaya and Gloucester, accompanied by destroyers, bombarded the port and shipping at Tripoli for 42 minutes at dawn on the 21st April; the Naval bombardment was preceded by bombing and flare dropping by R.A.F. and naval aircraft. Air spotting was rendered difficult by smoke and dust from the air attack, but three or four ships were set on fire or sunk in the naval basin and two or more others hit as well as a destroyer; the harbour facilities and shore establishments were also seriously damaged, some 530 tons of shells having been fired. No naval units were encountered and there was no reply from the shore batteries for 20 minutes. There was no damage or casualties to our ships. During the approach naval aircraft shot down four troop-carrying aircraft and one bomber, and after the bombardment destroyed one bomber and defeated an attack by dive-bombers, one of which was shot down and one probably destroyed. Malta was attacked by enemy aircraft on the nights of the 19th, 20th and 21st, and damage was done to the Dockyard and small craft. Enemy aircraft made frequent bombing and minelaying raids on Tobruk and the Libyan coast during the period the 18th to the 22nd April; H.M. Destioy'-r Greyhound was damaged and two merchant ships and H.M.S. Fiona- (Ocean Boarding Vessel) were sunk by bombs. A large troop convoy has arrived safely at Suez from the United Kingdom. The Greek destroyer Hydra has been sunk at Piraeus, and the Destroyer Psara and a hospital ship damaged by enemy aircraft. The Greek hospital ship Hesperos was bombed and sunk in the Gulf of Patras and another damaged off Megara. Units of the Greek Navy have joined the Mediterranean Fleet at Alexandria. Anti-Submarine Operations. 5. Two attacks on U-Boats have been reported during the week, one by aircraft and one by a trawler, both in the N.W. Approaches; no visible results were observed. Enemy Intelligence. German. 6. At the beginning of the week photographic air reconnaissance located the following main units : Kiel, one Pocket Battleship in dry dock, one Hipper class cruiser in floating dock, one Schlesien class battleship in floating dock. Bremen, Seydlitz completing. Wilhemshaven, one Schlesien class battleship in: dry dock. Brest, both battle cruisers present, one in dry dock and the other alongside the Torpedo Boat Station. Air photographs of Brest on the 23rd April showed that nets have been spread over the space between the sides of the battle cruiser and the walls of the dock in which she is lying. There was a report that the battleship Bismarck, two cruisers of the Leipzig Class and three destroyers passed the Skaw early on the 14th April steering North- West. On the morning of the 22nd April, a Sunderland aircraft reported sight-, ing one battleship, two cruisers and two destroyers at Narvik, and these may well be those reported passing the Skaw on the 14th April. The composition of this force is not now thought to include a battleship of the Bismarck class, both of which are believed to be still in the Baltic. Italian. 7. Owing to lack of reconnaissance flights the positions of main units of the Italian Fleet are obscure, but on the 19th April photographs of Taranto showed no battleship present. In the outer harbour were two cruisers and in the inner harbour were one cruiser, three destroyers and three submarines. The Littorio, therefore, must have left Taranto on completion of repairs to damage incurred during the Taranto raid by naval aircraft. The battleship Vittorio Veneto, damaged during the battle of Cape Matapan. is thought to have gone to Taranto only for a few hours. Her present where abouts are unknown. U-Boats. 8. It is not considered that the U-Boat forces in the North-Western Approaches have been reduced to any extent, though activity has been slight. During the week there have been some fourteen German and four or five Italian U-Boats in the North-Western Approaches. These have been operating between 52c N. to 63c N. and 12c W. to 27c W. One German has been patrolling off Brest and three others between Madeira and the Canaries and Madeira and the Cape Verde Islands; two of these were probably homeward bound towards the end of the week. One may still be off Brazil in the Pernambuco-Bahia area. Two have been patrolling off Freetown. Three Italian U-Boats have been patrolling between Portugal, the Azores and Madeira. Enemy Attack on Seaborne Trade. 9. According to the information at present available the merchant shipping losses during the week ended noon, Wednesday, the 23rd April, amounted to 11 ships and a tug (46,230 tons), of which 6 ships and the tug (34,227 tons) were British. Three shiplTwere sunk by U-Boat, one in the North Atlantic, one in [22450] B the Freetown area and one off Crete. Four ships were sunk by aircraft in the Mediterranean and one in the Medway. One ship was mined off the East Coast and a tug in the Thames. Two ships were sunk by E-Boat off the East Coast. There have been seven attacks by aircraft on coastal convoys during the week, all unsuccessful, and two attacks on the 18th April on a convoy in the N.W. Approaches by Focke-Wulf aircraft, which was driven off. Details are given in Appendix I of losses and damage to ships of which accurate information has now come to hand. These losses total 19 ships sunk (73,398 tons), of which 5 ships (9,070 tons) form part of the casualties given in the paragraph above. Of the remaining earlier losses 6 ships (31,161 tons) were sunk by U-Boat, 4 ships (13,525 tons) by aircraft, three ships (12,611 tons) by mine and one (7,031 tons) by surface craft. In addition details are given of 22 ships which have been damaged. Protection of Seaborne Trade. 10. During the week ended noon, the 23rd April, 938 ships, including 168 allied and 25 neutral, were convoyed. Three battleships, 5 cruisers, 8 armed merchant cruisers, 4 submarines, 68 destroyers and 62 sloops and corvettes were employed on escort duties. Since the beginning of the war 61,167 ships have been convoyed, of which 299 have been lost by enemy action; a ratio of 1 in 204. Imports into Great Britain by ships in convoy during the week ending the 19th April totalled 756,472 tons, compared with 376,437 tons during the previous week and an average of 661,645 tons for the past ten weeks. Oil imports were 247,061 tons in 23 tankers compared with 102,706 tons in nine tankers during the week ending the 5th April. Mineral imports were 131,196 tons, of which 86,467 tons were steel, scrap iron, pig iron and iron ore.