Jagdgeschwader 331

I. Gruppe:

Gruppenkommandeure:

• Hptm Johannes Janke, 1 Nov 1938 - 1 May 1939

Formed 1 Nov 1938 in Mährisch Trübau from IV./JG132 with:

Stab I./JG331 from Stab IV./JG132
1./JG331 from 10./JG132
2./JG331 from 11./JG132
3./JG331 from 12./JG132

On 1 May 1939 redesignated I./JG77 with :

Stab I./JG331 became Stab I./JG77
1./JG331 became 1./JG77
2./JG331 became 2./JG77
3./JG331 became 3./JG77

Airfields and Air Base Locations
Date	Location	Gruppe	Aircraft Used
1 Nov 1938 - 3 Feb 1939	Mährisch Trübau		Bf 109D
3 Feb 1939 - 17 Mar 1939	Breslau-Schongarten		Bf 109D
17 Mar 1939 - 21 Apr 1939	Olmütz		Bf 109D
21 Apr 1939 - 1 May 1939	Breslau-Schongarten		Bf 109D