Waffenamt (WaA) was the German Army Weapons Agency. It was the centre for research and development of the Weimar Republic and later the Third Reich for weapons, ammunition and army equipment to the German Reichswehr and then Wehrmacht. It was founded 8 November 1919 as Reichwaffenamt (RWA), and 5 May 1922 the name was changed to Heereswaffenamt (HWA).