Original: The Red Army Faction ( German : Rote Armee Fraktion ) , shortened to RAF and in its early stages commonly known as Baader-Meinhof Group or Gang , was one of postwar West Germany 's most violent and prominent groups who advocated communist inspired terrorism .
Simplified: The Red Army Faction or RAF ( German Rote Armee Fraktion ) , was one of postwar West Germany 's most active and prominent militant left-wing groups .