• Fahnenjunker-Gefreiter: 10 December 1912
  
• Fahnenjunker-Unteroffizier: 27 January 1911
  
• Fähnrich: 23 May 1911
  
• Leutnant: 27 January 1912
  
• Oberleutnant: 18 September 1915
  
• Hauptmann: 18 October 1918
  
• Major: 1 June 1934
  
• Oberstleutnant: 1 April 1936
  
• Oberst: 1 August 1938
  
• Generalmajor: 1 June 1941
  
• Generalleutnant: 1 June 1943
  

Commands & Assignments:

• 26 September 1910-7 March 1913: Fahnenjunker and Battery Officer in Altmärkisches Feld-Artillerie-Regiment Nr.40.
  
• 8 March 1913-1 August 1914: Granted leave due to illness.
  
• 2 August 1914-25 August 1914: Battery officer in Field Artllery Regiment 40.
  
• 25 August 1914-6 December 1914: Wounded/in hospital.
  
• 7 December 1914-27 January 1915: Aerial observer training with Fliegerersatz-Abteilung [Aviation Replacement Detachment] 1.
  
• 28 January 1915-22 June 1916: Aerial observer with Flieger-Abteilung [Aviation Detachment] 50.
  
• 23 June 1916-12 August 1916: Aerial observer with Flieger-Abteilung 49.
  
• 13 August 1916-21 August 1916: At the disposal of the Inspectorate of Flying Troops.
  
• 22 August 1916-21 October 1916: Aerial observer with Artillerieflieger-Abteilung [Artillery Aviation Detachment] 254.
  
• 22 October 1916-31 December 1916: Transferred to Fliegerersatz-Abteilung Gotha.
  
• 1 January 1917-12 December 1917: Instructor at Observer School Schwerin.
  
• 13 December 1917-16 July 1918: Pilot training with Fliegerersatz-Abteilung 5 at Hannover and at Flying School Halberstadt.
  
• 17 July 1918-7 August 1918: Transferred to Armeeflugpark [Army Air Park] 4 and training at Fighter Flying School I.
  
• 8 August 1918-24 August 1918: Pilot with Jagdstaffel [Fighter Squadron] 4 of Jagdgeschwader [Fighter Wing] "Freiherr von Richthofen" Nr. 1.
  
• 24 August 1918-20 December 1918: Wounded in the arm during aerial combat / in hospital and Fliegerersatz-Abteilung 9.
  
• 21 December 1918-10 March 1919: Commander of Fliegerersatz-Abteilung 9.
  
• 11 March 1919-31 March 1920: Assistance Officer, District Command Burg.
  
• 31 March 1920: Separated from the Army.
  
• 1 May 1925: Employed by the Army.
  
• 1 May 1925-22 December 1933: Consultant to the Army Weapons Department.
  
• 23 December 1933-31 January 1934: Reactivated in the Army and assigned to Artillery Regiment 4.
  
• 1 February 1934: Transferred from the Army to the Luftwaffe.
  
• 1 February 1934-31 July 1935: Department Leader in the Reich Aviation Ministry.
  
• 1 August 1935-30 November 1937: Instruction Group Leader at the Flying School Faßberg.
  
• 1 December 1937-31 January 1939: Department Leader in the Reich Aviation Ministry.
  
• 1 February 1939-15 July 1939: Special Staff "W" in the Armed Forces High Command.
  
• 16 July 1939-2 March 1941: Quartermaster, Luftgau [Air Zone] Command XI, Hamburg.
  
• 3 March 1941-23 May 1941: Senior Quartermaster on the General Staff of Luftflotte [Air Fleet] 2.
  
• 24 May 1941-1 May 1943: Senior Quartermaster on the General Staff of Luftflotte 5 in Norway.
  
• 2 May 1943-28 June 1944: Inspector of Luftwaffe Construction Troops and Prisoners of War / Reich Aviation Ministry.
  
• 29 June 1944-17 February 1945: General for Foreign Personnel in the Luftwaffe / Reich Aviation Ministry.
  
• 18 February 1945-18 April 1945: Führer Reserve Luftwaffe High Command.
  
• 19 April 1945-3 May 1945: With Luftgau Command XI, Hamburg.
  
• 3 May 1945-16 May 1948: British prisoner of war.
  • 11th January 1946 transferred to Island Farm Special Camp 11 from LDC (London District Cage)
  • 12th May 1948 transferred to Camp 186 for repatriation.
    

Decorations & Awards (included):

Click here to see a photo of Generalleutnant Walter Grosch in the company of fellow prisoners of war at Island Farm.