Generalleutnant Max Bock, Commanding: Infanterie-Regiment 2, 23, 44, Artillerie-Regiment 11. 61. Infanterie-Division - Char. Generalleutnant z.V. Siegfried Haenicke, Commanding: Infanterie-Regiment 151, 162, 176, Artillerie-Regiment 161. Panzerverband Ostpreußen (AKA Panzer-Division Kempf) - Generalmajor Werner Kempf, Commanding: Panzer-Regiment 7, SS-Standard (mot.) "Deutschland", SS-Artillerie-Standart/SS-TV. Grenzschutzabschnittskommando 15 - Generalmajor Wolf Schede, Commanding: 4 Grenzwacht-Regiments. XXI. Armeekorps - Commanded by Generalleutnant Nikolaus von Falkenhorst. I./ Panzer-Regiment 10 - Oberstleutnant Friedrich-Wilhelm Sieberg, Commanding. 21. Infanterie-Division - Generalleutnant Kuno-Hans von Both, Commanding: Infanterie-Regiment 3, 24, 45, Artillerie-Regiment 21. 228. Infanterie-Division - Generalmajor Hans Suttner, Commanding: Infanterie-Regiment 325, 356, 400, Artillerie-Regiment 228. Führungsstab z.b.V. 1 (also known as Kommandostab Wodrig, Korps Wodrig) - Commanded by Generalleutnant Albert Wodrig. 1. Infanterie-Division - Generalmajor Joachim von Kortzfleisch, Commanding: Infanterie-Regiment 1, 22, 43, Artillerie-Regiment 1 12. Infanterie-Division - Generalleutnant Ludwig von der Leyen, Commanding: Infanterie-Regiment 27, 48, 89, Artillerie-Regiment 12. Gruppe Brand - Commanded by Generalmajor Albrecht Brand. Kommandantur der Befestigungen bei Königsberg - Generalmajor Albrecht Brand, Commanding: Infanterie-Regiment "Gumbinnen", Landwehr-Infanterie-Regiment 152, 2 Grenzwacht-Regiments. Brigade Goldap - Oberst Hans-Erich Nolte, Commanding: IV./ Landwehr-Infanterie-Regiment 161, II./ Landwehr-Infanterie-Regiment 162, II./ Landwehr-Artillerie-Regiment 161. Brigade Lötzen - Generalmajor Otto-Ernst Ottenbacher, Commanding: Landwehr-Infanterie-Regiment 161, 162, Landwehr-Artillerie-Regiment 161, 1 Grenzwacht-Regiment. 4. Armee 4. Armee was commanded by General der Artillerie Günther von Kluge. It was based in Western Pomerania. 4th Army Reserves 23. Infanterie-Division - Generalleutnant Walter Graf von Brockdorff-Ahlefeldt, Commanding: Infanterie-Regiment 9, 67, 68, Artillerie-Regiment 23. 218. Infanterie-Division - Generalmajor Woldemar Freiherr Grote, Commanding: Infanterie-Regiment 323, 386, 397, Artillerie-Regiment 218. Grenzschutzabschnittskommando 1 - General der Flieger z.V. Leonhard Kaupisch, Commanding: 2 Grenzwacht-Regiments. 207. Infanterie-Division - Generalmajor Karl von Tiedemann, Commanding: Infanterie-Regiment 322, 368, 374, Artillerie-Regiment 207. Grenzschutzabschnittskommando 2 - Char. Generalleutnant Friedrich (Fritz) Büchs, Commanding: 4 Grenzwacht-Regiments Grenzschutzabschnittskommando 12 - Generalmajor z.V. Hermann Metz, Commanding: Grenz-Infanterie-Regiment "Crossen", "Meseritz", "Schwerin", 3 Grenzwacht-Regiments. II. Armeekorps - Commanded by General der Infanterie Adolf Strauß. 3. Infanterie-Division - Generalmajor Walter Lichel, Commanding: Infanterie-Regiment 8, 29, 50, Artillerie-Regiment 3. 32. Infanterie-Division - Generalleutnant Franz Böhme, Commanding: Infanterie-Regiment 4, 94, 96, Artillerie-Regiment 32. III. Armeekorps - Commanded by General der Artillerie Curt Haase. 50. Infanterie-Division - Generalleutnant Konrad Sorsche, Commanding: Grenz-Infanterie-Regiment 121, 122, 123, schw. Artillerie-Abteilung (mot.) 101. Brigade Netze - Generalmajor Eccard Freiherr von Gablenz, Commanding: 2 Grenzwacht-Regiments. XIX. Armeekorps - Commanded by General der Panzertruppe Heinz Guderian. 3. Panzer-Division - Generalleutnant Leo Freiherr Geyr von Schweppenburg, Commanding: 3. Panzer-Brigade (Panzer-Regiment 5, 6), Panzer-Lehr{{Panzer-Lehr: (Panzer Teaching) a school unit of highly