[ تعرٌف على ] قائمة الزمر الذئبية في الحرب العالمية الثانية # اخر تحديث اليوم 2024-04-27

تم النشر اليوم 2024-04-27 | قائمة الزمر الذئبية في الحرب العالمية الثانية

الزمر الذئبية

Name From To Boats Ships Sunk Ships Damaged Boats Lost Notes
هارتمان وولفباك Oct 1939 Apr 1940 6 7 0 3 Convoy KJF 3Convoy HG 3
Prien 12 Jun 1940 17 Jun 1940 7 5 0 0 Convoy HX 47
روسولف وولفباك 12 Jun 1940 15 Jun 1940 5 4 0 0 Convoy SL 34
West 8 May 1941 20 Jun 1941 23 33 4 1 Convoy OB 317Convoy OB 318Convoy SC 30Convoy HX 126Convoy HX 128Convoy OB 322Convoy OB 327Convoy OB 328Convoy OB 329Convoy OB 330
Kurfürst 16 Jun 1941 20 Jun 1941 5 1 0 0 Convoy SL 76
Süd 22 Jul 1941 5 Aug 1941 4 0 0 0
Hammer 5 Aug 1941 12 Aug 1941 3 0 0 0
Grönland 10 Aug 1941 27 Aug 1941 21 3 1 0 Convoy ON 4
Kurfürst II 23 Aug 1941 2 Sep 1941 7 0 0 0
Markgraf 27 Aug 1941 16 Sep 1941 15 17 4 2 Convoy SC 41Convoy SC 42
Bosemüller 28 Aug 1941 2 Sep 1941 8 1 0 0 Convoy OS 4
Seewolf 2 Sep 1941 15 Sep 1941 17 5 0 0 Convoy ON 14
Brandenburg 15 Sep 1941 2 Oct 1941 11 11 0 0 Convoy ON 14Convoy SC 42Convoy SC 44Convoy ON 16
Goeben 16 Sep 1941 5 Oct 1941 6 0 0 0
Breslau 2 Oct 1941 29 Oct 1941 6 9 1 1 Convoy OG 75Convoy HG 75
Mordbrenner 16 Oct 1941 3 Nov 1941 4 2 0 0 Convoy ON 27
Schlagetot 20 Oct 1941 1 Nov 1941 9 2 1 0 Convoy SL 89
Reissewolf 21 Oct 1941 31 Oct 1941 7 1 0 0 Convoy HG 75
Stosstrupp 30 Oct 1941 4 Nov 1941 6 2 0 0 Convoy OS 10Convoy HX 156
Raubritter 1 Nov 1941 17 Nov 1941 14 4 0 0 Convoy SC 52
Arnauld 5 Nov 1941 18 Nov 1941 4 1 0 1 أتش أم أسArk Royal sunk
Störtebecker 5 Nov 1941 2 Dec 1941 19 0 0 0
Steuben 14 Nov 1941 2 Dec 1941 6 3 0 0 Convoy OS 12
Benecke 19 Nov 1941 2 Dec 1941 4 0 0 0
Gödecke 19 Nov 1941 26 Nov 1941 4 0 0 0
Letzte Ritter 25 Nov 1941 4 Dec 1941 3 0 0 0
Seeräuber 14 Dec 1941 23 Dec 1941 8 3 0 4 Convoy HG 76
Ulan 25 Dec 1941 19 Jan 1942 3 4 1 0 Convoy PQ 7AConvoy PQ 8
Seydlitz 27 Dec 1941 16 Jan 1942 7 0 0 1
Zieten 6 Jan 1942 22 Jan 1942 12 11 3 0 Convoy SC 62Convoy ON 52Convoy SC 63Convoy ON 53
Robbe 15 Jan 1942 24 Jan 1942 4 1 0 0 Convoy SC 63
Schlei 16 Jan 1942 12 Feb 1942 7 3 0 0 Convoy ON 63Convoy SC 67
Hecht 27 Jan 1942 4 Feb 1942 3 0 0 0
Umbau 4 Feb 1942 16 Feb 1942 4 0 0 0
Westwall 2 Mar 1942 12 Mar 1942 8 5 0 0
(No Name) 7 Mar 1942 11 Mar 1942 4 0 0 0
Umhang 10 Mar 1942 16 Mar 1942 3 0 0 0
بلوخر زمرة ذئبية 11 Mar 1942 18 Mar 1942 3 0 0 0
Wrangel 11 Mar 1942 18 Mar 1942 2 0 0 0
York 12 Mar 1942 26 Mar 1942 4 0 0 0
Zieten II 23 Mar 1942 29 Mar 1942 4 0 0 1
Eiswolf 28 Mar 1942 31 Mar 1942 8 2 1 1
Naseweis 31 Mar 1942 10 Apr 1942 3 0 0 0
Bums 6 Apr 1942 14 Apr 1942 6 0 0 0
Robbenschlag 7 Apr 1942 14 Apr 1942 8 3 0 0 Convoy QP 10
Blutrausch 15 Apr 1942 19 Apr 1942 10 1 0 0 Convoy PQ 14
Strauchritter 29 Apr 1942 5 May 1942 9 1 2 0 Convoy QP 11Convoy PQ 15
Hecht II 8 May 1942 18 Jun 1942 9 14 1 0 Convoy ON 92Convoy ONS 100Convoy ONS 102
Greif 14 May 1942 29 May 1942 6 1 0 0 Convoy PQ 16
Pfadfinder 21 May 1942 27 May 1942 8 2 0 0
Endraß 12 Jun 1942 17 Jun 1942 9 5 0 0 Convoy HG 84
Eisteufel 21 Jun 1942 12 Jul 1942 11 13 0 0 قافلة بي كيو 17
Hai 3 Jul 1942 21 Jul 1942 6 9 1 1 Convoy OS 33
Wolf 13 Jul 1942 1 Aug 1942 11 2 2 1 Convoy ON 113
Nebelkönig 27 Jul 1942 14 Aug 1942 10 0 0 0
Pirat 29 Jul 1942 3 Aug 1942 13 1 2 1 Convoy ON 115
Steinbrinck 3 Aug 1942 11 Aug 1942 14 11 3 2 Convoy ON 115Convoy SC 94
Lohs 11 Aug 1942 22 Sep 1942 19 8 0 0 Convoy SC 95Convoy ON 122Convoy SC 100
بلوخر زمرة ذئبية 14 Aug 1942 28 Aug 1942 8 6 1 0 Convoy SL 118
Eisbär 25 Aug 1942 1 Sep 1942 5 1 0 0 Convoy SL 119
Vorwärts 25 Aug 1942 26 Sep 1942 18 15 9 1 Convoy SC 97Convoy ON 127Convoy RB 1
Stier 29 Aug 1942 2 Sep 1942 6 0 0 0
Iltis 6 Sep 1942 23 Sep 1942 7 0 0 0
Pfeil 12 Sep 1942 22 Sep 1942 11 0 0 0
Trägertod 12 Sep 1942 22 Sep 1942 10 4 1 3 Convoy PQ 18Convoy QP 14
Blitz 22 Sep 1942 26 Sep 1942 19 7 0 0 Convoy SC 100Convoy ON 131Convoy RB 1
Tiger 26 Sep 1942 30 Sep 1942 17 0 0 0
Luchs 27 Sep 1942 6 Oct 1942 19 2 0 2 Convoy SC 101
Letze Ritter II 29 Sep 1942 1 Oct 1942 4 0 0 0
Tümmler 1 Oct 1942 11 Oct 1942 6 0 0 0
Wotan 5 Oct 1942 19 Oct 1942 11 21 0 1 Convoy ONS 136Convoy SC 104Convoy ON 137
Panther 6 Oct 1942 20 Oct 1942 34 3 0 1 Convoy SC 103Convoy ONS 136Convoy ON 137
Leopard 12 Oct 1942 19 Oct 1942 8 0 0 2
Puma 16 Oct 1942 29 Oct 1942 13 13 3 0 Convoy ON 139Convoy ONS 136Convoy HX 212
Streitaxt 20 Oct 1942 2 Nov 1942 10 12 7 0 Convoy SL 125
Veilchen 20 Oct 1942 7 Nov 1942 13 8 2 1 Convoy SC 107
Südwärts 24 Oct 1942 26 Oct 1942 6 0 0 0
Natter 30 Oct 1942 8 Nov 1942 15 2 0 0 Convoy ON 142
Delphin 4 Nov 1942 14 Nov 1942 9 1 0 1 عملية الشعلة
Kreuzotter 8 Nov 1942 24 Nov 1942 13 7 1 1 Convoy ON 144
Westwall II 8 Nov 1942 16 Dec 1942 20 11 3 1 عملية الشعلةConvoy MKF 1X Convoy MKF 1YConvoy MKS-1XConvoy KMS 3Convoy ON 149
Schlagetot II 9 Nov 1942 21 Nov 1942 10 4 3 2 Convoy UGF 1
Wal 10 Nov 1942 15 Nov 1942 8 3 1 2 عملية الشعلة
Boreas 19 Nov 1942 9 Dec 1942 10 2 0 0 Convoy QP 15
Drachen 22 Nov 1942 3 Dec 1942 5 2 0 0 Convoy SC 110Convoy HX 216
Panzer 23 Nov 1942 11 Dec 1942 11 1 0 2 Convoy HX 217
Draufgänger 29 Nov 1942 11 Dec 1942 10 3 0 0 Convoy MKF 3Convoy HX 217
Büffel 9 Dec 1942 15 Dec 1942 3 0 0 0
Raufbold 11 Dec 1942 22 Dec 1942 14 4 1 0 Convoy ON 153
Ungestüm 11 Dec 1942 30 Dec 1942 13 9 1 0 Convoy ON 152Convoy ON 154
Spitz 22 Dec 1942 31 Dec 1942 11 8 9 1 Convoy ON 154
Delphin II 26 Dec 1942 14 Feb 1943 17 10 1 2 Convoy TM 1Convoy UGS 4
Falke 28 Dec 1942 19 Jan 1943 23 6 0 0 Convoy ONS 156
Habicht 10 Jan 1943 19 Jan 1943 10 1 0 0 Convoy SC 115
Habicht 10 Jan 1943 19 Jan 1943 10 1 0 0 Convoy SC 115
Jaguar 10 Jan 1943 31 Jan 1943 8 2 0 0 Convoy SC 117Convoy HX 223
Haugegen 19 Jan 1943 15 Feb 1943 26 2 1 1 Convoy SC 117Convoy HX 223Convoy ON 165
Landsknecht 19 Jan 1943 28 Jan 1943 21 0 0 1
Nordwind 24 Jan 1943 4 Feb 1943 7 3 0 0 Convoy RA 52
Rochen 27 Jan 1943 1 Mar 1943 13 5 3 0 Convoy Gibr-2Convoy UC 1Convoy ON 165
Pfeil II 1 Feb 1943 9 Feb 1943 13 11 1 2 Convoy SC 118
Nordsturm 2 Feb 1943 9 Feb 1943 5 1 0 0 Convoy SG 19
Hartherz 3 Feb 1943 7 Feb 1943 10 0 0 0
Ritter 11 Feb 1943 26 Feb 1943 13 5 4 1 Convoy ON 166
Taifun 15 Feb 1943 20 Feb 1943 5 1 0 0 Convoy ONS 165
Robbe 16 Feb 1943 13 Mar 1943 8 6 2 0 Convoy UC 1Convoy KMS-10Convoy OS 44
Neptun 18 Feb 1943 3 Mar 1943 11 3 0 0 Convoy HX 227
Knappen 19 Feb 1943 25 Feb 1943 4 2 2 0 Convoy ON 166
Sturmbock 21 Feb 1943 26 Feb 1943 9 2 0 0 Convoy ONS 167
Burggraf 24 Feb 1943 5 Mar 1943 18 0 0 0
Wildfang 26 Feb 1943 5 Mar 1943 10 0 0 0
Tümmler II 1 Mar 1943 22 Mar 1943 6 2 0 0 Convoy UGS 6
Neuland 4 Mar 1943 13 Mar 1943 22 5 2 1 Convoy HX 228
Ostmark 6 Mar 1943 11 Mar 1943 11 5 1 1 Convoy SC 121
Westmark 6 Mar 1943 11 Mar 1943 17 10 0 1 Convoy SC 121Convoy HX 228
Raubgraf 7 Mar 1943 20 Mar 1943 13 11 3 0 Convoy ON 168Convoy HX 229
Stürmer 11 Mar 1943 20 Mar 1943 19 10 3 1 Convoy SC 122Convoy HX 229
Unverzagt 12 Mar 1943 22 Mar 1943 6 2 1 1 Convoy UGS 6
Wohlgemut 12 Mar 1943 22 Mar 1943 5 1 0 1 Convoy UGS 6
Dränger 14 Mar 1943 20 Mar 1943 11 3 0 0 Convoy HX 229Convoy SC 122
Seeteufel 21 Mar 1943 30 Mar 1943 17 1 0 0 Convoy HX 230
Seewolf II 21 Mar 1943 30 Mar 1943 19 0 0 0
Seeräuber 25 Mar 1943 30 Mar 1943 7 3 0 0 Convoy RS-3
Eisbär 27 Mar 1943 15 Apr 1943 12 0 0 1
(No name) 27 Mar 1943 30 Mar 1943 5 4 1 0 Convoy SL 126
Löwenherz 1 Apr 1943 10 Apr 1943 14 4 3 2 Convoy HX 231
Taifun II 2 Apr 1943 4 Apr 1943 4 0 0 0
Adler 7 Apr 1943 13 Apr 1943 16 4 0 0 Convoy HX 232Convoy ON 176Convoy ONS 2
Lerche 10 Apr 1943 16 Apr 1943 10 3 1 0 Convoy HX 232
Meise 11 Apr 1943 27 Apr 1943 34 5 2 2 Convoy HX 234Convoy ONS 3Convoy ON 178
(No Name) 15 Apr 1943 18 Apr 1943 8 1 1 1 Convoy HX 233
Specht 19 Apr 1943 4 May 1943 24 1 0 1 Convoy ONS 5
Amsel 22 Apr 1943 3 May 1943 16 0 0 0
Star 27 Apr 1943 4 May 1943 16 1 0 0 Convoy ONS 5
Drossel 29 Apr 1943 15 May 1943 13 4 0 7 Convoy SL 128Convoy HX 237
Amsel 1 3 May 1943 6 May 1943 6 1 0 1 Convoy ONS 5
Amsel 2 3 May 1943 6 May 1943 6 3 0 0 Convoy ONS 5
Amsel 3 3 May 1943 6 May 1943 6 0 0 0
Amsel 4 3 May 1943 6 May 1943 6 0 0 0
Fink 4 May 1943 6 May 1943 28 8 0 5 Convoy ONS 5
(No Name) 5 May 1943 10 May 1943 9 0 0 0
Elbe 7 May 1943 10 May 1943 16 0 0 0
Rhein 7 May 1943 10 May 1943 12 0 0 0
Elbe 1 10 May 1943 14 May 1943 13 0 0 0
Elbe 2 10 May 1943 14 May 1943 13 2 0 1 Convoy SC 129
Isar 10 May 1943 15 May 1943 4 0 0 0
Lech 10 May 1943 15 May 1943 3 0 0 0
Inn 11 May 1943 15 May 1943 4 0 0 0
Iller 12 May 1943 15 May 1943 6 0 0 1 Convoy SC 130
Naab 12 May 1943 15 May 1943 7 0 0 0
Donau 1 15 May 1943 26 May 1943 12 1 0 3 Convoy ONS 7Convoy SC 130
Donau 2 15 May 1943 26 May 1943 11 0 0 1 Convoy SC 130
Oder 17 May 1943 19 May 1943 9 0 0 0
Mosel 19 May 1943 24 May 1943 21 0 0 2
Trutz 1 Jun 1943 16 Jun 1943 18 0 0 1
Trutz 1 16 Jun 1943 29 Jun 1943 4 0 0 0
Trutz 2 16 Jun 1943 29 Jun 1943 8 0 0 0
Trutz 3 16 Jun 1943 29 Jun 1943 4 0 0 0
Geier 1 30 Jun 1943 15 Jul 1943 4 0 0 0
Geier 2 30 Jun 1943 15 Jul 1943 4 0 0 2
Geier 3 30 Jun 1943 15 Jul 1943 3 0 0 1
(No Name) 11 Jul 1943 29 Jul 1943 6 0 0 0
Wiking 1 Aug 1943 8 Oct 1943 7 4 1 0 Convoy VA-18
مجموعة منسون 30 Aug 1943 23 Nov 1943 9 0 0 0
Leuthen 15 Sep 1943 24 Sep 1943 21 10 2 2 Convoy ON 202
Rossbach 24 Sep 1943 9 Oct 1943 26 2 0 6 Convoy SC 143
Schlieffen 14 Oct 1943 22 Oct 1943 18 0 0 5
Eisenbart 22 Oct 1943 5 Jan 1944 12 0 0 0 Convoy RA 55AConvoy RA 55B
Siegfried 22 Oct 1943 27 Oct 1943 23 0 0 0
Schill 25 Oct 1943 16 Nov 1943 10 1 0 2 Convoy SL 138
Siegfried 1 27 Oct 1943 30 Oct 1943 6 0 0 0
Siegfried 2 27 Oct 1943 30 Oct 1943 8 0 0 0
Siegfried 3 27 Oct 1943 30 Oct 1943 6 0 0 0
Jahn 30 Oct 1943 2 Nov 1943 12 0 0 0
Körner 30 Oct 1943 2 Nov 1943 11 0 0 0
Tirpitz 1 2 Nov 1943 8 Nov 1943 4 0 0 0
Tirpitz 2 2 Nov 1943 8 Nov 1943 5 0 0 0
Tirpitz 3 2 Nov 1943 8 Nov 1943 5 0 0 0
Tirpitz 4 2 Nov 1943 8 Nov 1943 4 0 0 1
Tirpitz 5 2 Nov 1943 8 Nov 1943 3 0 0 1
Eisenhart 1 9 Nov 1943 15 Nov 1943 3 0 0 0
Eisenhart 2 9 Nov 1943 15 Nov 1943 3 0 0 0
Eisenhart 3 9 Nov 1943 15 Nov 1943 3 0 0 0
Eisenhart 4 9 Nov 1943 15 Nov 1943 3 0 0 0
Eisenhart 5 9 Nov 1943 15 Nov 1943 3 0 0 0
Eisenhart 6 9 Nov 1943 13 Nov 1943 1 0 0 0
Eisenhart 7 9 Nov 1943 15 Nov 1943 3 0 0 0
Eisenhart 8 9 Nov 1943 11 Nov 1943 4 0 0 0
Eisenhart 9 9 Nov 1943 11 Nov 1943 3 0 0 0
Eisenhart 10 9 Nov 1943 10 Nov 1943 1 0 0 0
Schill 1 16 Nov 1943 22 Nov 1943 8 1 0 1 Convoy MKS 30
Schill 2 17 Nov 1943 22 Nov 1943 9 0 0 1
Schill 3 18 Nov 1943 22 Nov 1943 9 0 0 0
Weddigen 22 Nov 1943 7 Dec 1943 17 0 0 4
Coronel 4 Dec 1943 8 Dec 1943 19 0 0 0
Coronel 1 8 Dec 1943 17 Dec 1943 19 0 0 0
Coronel 2 8 Dec 1943 17 Dec 1943 21 0 0 0
Coronel 3 14 Dec 1943 17 Dec 1943 9 0 0 0
Amrum 18 Dec 1943 23 Dec 1943 6 0 0 0
بوركوم زمرة ذئبية 18 Dec 1943 3 Jan 1944 17 2 0 1 Convoy OS 62
Föhr 18 Dec 1943 23 Dec 1943 6 0 0 0
Sylt 18 Dec 1943 23 Dec 1943 6 0 0 0
Rügen 1 23 Dec 1943 7 Jan 1944 8 1 1 0 Convoy ON 217
Rügen 2 23 Dec 1943 7 Jan 1944 6 0 0 1
Rügen 3 23 Dec 1943 7 Jan 1944 8 0 0 0
Rügen 4 23 Dec 1943 7 Jan 1944 9 0 0 0
Rügen 5 23 Dec 1943 7 Jan 1944 9 0 0 0
Rügen 6 23 Dec 1943 7 Jan 1944 11 0 0 0
Hela 28 Dec 1943 1 Jan 1944 4 0 0 0
Rügen 7 28 Dec 1943 2 Jan 1944 3 0 0 0
Isegrim 1 Jan 1944 27 Jan 1944 15 3 2 0 Convoy JW 56A
بوركوم زمرة ذئبية 3 Jan 1944 13 Jan 1944 3 1 0 0
بوركوم زمرة ذئبية 3 Jan 1944 13 Jan 1944 2 0 0 0
بوركوم زمرة ذئبية 3 Jan 1944 13 Jan 1944 3 0 0 1
Rügen 7 Jan 1944 26 Jan 1944 31 0 0 4
Hinein 26 Jan 1944 3 Feb 1944 8 0 0 2
Stürmer 26 Jan 1944 3 Feb 1944 13 0 0 0
Werwolf 27 Jan 1944 28 Feb 1944 21 2 0 1 Convoy JW 56BConvoy JW 57
Igel 1 3 Feb 1944 17 Feb 1944 15 1 0 3 Convoy UR-108
Igel 2 3 Feb 1944 17 Feb 1944 15 0 0 3
Hai 1 17 Feb 1944 22 Feb 1944 16 1 0 3 Convoy ON 224
Hai 2 17 Feb 1944 22 Feb 1944 3 0 0 0
Preussen 22 Feb 1944 22 Mar 1944 31 5 1 8 Convoy MKS-40Convoy CU-16Convoy SL 150Convoy CU-17
Hartmut 23 Feb 1944 28 Feb 1944 4 0 0 0
Boreas 28 Feb 1944 10 Mar 1944 12 0 0 2
Orkan 5 Mar 1944 10 Mar 1944 4 0 0 1
Taifun 5 Mar 1944 10 Mar 1944 4 0 0 1
Hammer 10 Mar 1944 5 Apr 1944 5 0 0 1
Thor 10 Mar 1944 5 Apr 1944 6 0 0 0
Blitz 24 Mar 1944 5 Apr 1944 9 0 0 2
Donner 5 Apr 1944 20 Apr 1944 9 0 0 0
Keil 5 Apr 1944 20 Apr 1944 5 1 0 0
DonnerKeil 20 Apr 1944 3 May 1944 14 1 0 2 Convoy RA 59
Trutz 3 May 1944 10 Jul 1944 26 0 0 1
Dragoner 21 May 1944 28 May 1944 6 0 0 0
Grimm 31 May 1944 6 Jun 1944 10 0 0 0
Greif 3 Aug 1944 26 Sep 1944 6 5 0 1 Convoy BD-5Convoy VD-1
Trutz 17 Aug 1944 6 Sep 1944 7 3 0 3 Convoy JW 59
Dachs 31 Aug 1944 5 Sep 1944 6 0 0 0
Grimm 9 Sep 1944 2 Oct 1944 17 0 0 1
Feuer 17 Sep 1944 19 Sep 1944 4 0 0 0
Schwefel 22 Sep 1944 25 Sep 1944 3 0 0 0
Zorn 26 Sep 1944 2 Oct 1944 13 2 0 0 Convoy RA 60
Regenschirm 14 Oct 1944 16 Oct 1944 4 0 0 0
Panther 16 Oct 1944 10 Nov 1944 21 0 1 0 Convoy RA 61
Stier 21 Nov 1944 8 Jan 1945 18 7 1 2 Convoy KB 35Convoy RA 62Convoy KB 37Convoy KP-24
Rasmus 6 Feb 1945 13 Feb 1945 8 0 0 0
Hagen 13 Mar 1945 21 Mar 1945 13 3 0 0 Convoy JW 65
Seewolf III 14 Apr 1945 1 May 1945 6 1 0 4 عملية دمعة
Faust 16 Apr 1945 1 May 1945 9 1 0 2 Convoy RA 66

ببليوغرافيا

Edwards، Bernard (1996). Dönitz and the Wolf Packs - The U-boats at War. Cassell Military Classics. ص.117, 119, 123–125. ISBN:0-304-35203-9. Edwards، Bernard (1996). Dönitz and the Wolf Packs - The U-boats at War. Cassell Military Classics. ص.117, 119, 123–125. ISBN:0-304-35203-9. Edwards، Bernard (1996). Dönitz and the Wolf Packs - The U-boats at War. Cassell Military Classics. ص.117, 119, 123–125. ISBN:0-304-35203-9.

اندلاع الحرب

منذ اندلاع الحرب حتى منتصف عام 1940، كانت هناك مجموعات مختلفة من غواصات يو تشارك في دوريات جماعية. باستثناء زمرة هارتمان التجريبية في عام 1939، قاد غونتر براين أول زمرة ذئبية في يونيو 1940. غزو النرويج والدنمارك
استعدادًا للغزو الوشيك للنرويج والدنمارك، في أوائل أبريل عام 1940، كان 31 غواصة جاهزة للعمل بين إنجلترا والنرويج. في 6 أبريل، تم إرسال كلمة المرور «Hartmut» وبدأت الغواصات الألمانية عملياتها المحددة.

شرح مبسط

زمرة ذئبية ((بالألمانية: U-Boot-Gruppe))‏ كانوا يعملون في بحرية ألمانيا النازية الصورة كريغسمرينه خلال الحرب العالمية الثانية ضد سفن الحلفاء التجارية.