panzer group guderian became "panzergruppe 2" on 16 november 1940 and, after the onset of the german-soviet war, became 2nd panzer army ("2. panzerarmee)" on 6 october 1941. after that, the number xix (19) was once more free in the numbering of german army corps and was once more granted on 6 november 1942 to mountain corps norway, which then became the "xix. gebirgs-armeekorps" (xix mountain army corps).