Members of the Red Army Faction Socialist Patients' Collective (SPK) and Movement 2 June (J2M). The SPK, the leftist, 'therapy-through-violence' group, dissolved in 1971, and those members who had turned militant forged links and joined with the Baader-Meinhof Gang. Brigitte Mohnhaupt, Klaus Jünschke Carmen Roll, and Gerhard Müller had already joined as part of the first generation of the RAF but originally started in SPK. Siegfried Hausner (24 January 1952 – 5 May 1975) was a leading member of the SPK especially involved with explosives. He took part in a bombing of the Axel Springer Verlag in 1971 and was the leader of the West German
Army group separate formations, but instead additional responsibilities granted to certain army commanders. Crown Prince Wilhelm for instance, was simultaneously commander of the 5th Army and Army Group German Crown Prince from August 1915 to November 1916. All eight German army groups were named after their commanders. A Chinese "army group" was usually equivalent in numbers only to a field army in the terminology of other countries, as the regimental level was sometimes omitted. The German Army was organized into army groups ("Heeresgruppen"). Some of these army groups were multinational, containing armies from several Axis countries. For example, Army Group Africa contained