Nomenclature used by the Wehrmacht and Waffen-SS

The German Luftwaffe (Air Force), Heer (Army), Kriegsmarine (Navy) and the Waffen-SS used Arabic numerals as well as Roman numerals to distinguish between the different units, sub-units and organization levels of their respective military branch. == Luftwaffe flying units == Arabic numerals denoted a Staffel (Squadron) of a Geschwader (Flying Wing).