SD:FlaK M36(f)

 is a German Anti-air unit added in Back to Hell.

Overview
FlaK M36(f) were captured Canon de 75 mm contre aéronefs mle 36. These French guns were originally descended from Canon de 75 modèle 1897 field gun that were used in improvised anti-aircraft mounts during World War One. During the 1920s Canon de 75 antiaérien mle 1913-1917 specialized air defense versions of the Canon de 75 modèle 1897 field gun were outmoded as an anti-aircraft weapon and development of a new gun barrel was begun in 1928. Along with the upgraded guns, new guns and carriages were created. These new guns had a secondary anti-tank capability.