Schutzstaffel, abbreviated SS, is a paramilitary organization in the Medal of Honor series as the primary antagonists alongside the Wehrmacht. The SS appears as soldiers from the Waffen-SS, the armed wing of the SS.
The Waffen-SS, is the armed wing of the SS. They appear in later in the levels replacing the Heer as the main enemy. They are notable for their camouflage pattern uniforms and helmets, and deadlier then their Heer counterparts.
The Allgemeine-SS (the "General SS") refers to a non-combat branch of the SS. Rudolf Ulbricht von Sturmgeist is a Captain of the Allgemeine-SS.