American Forces Networy, Europe (Source: Hugh Carlson, AFN Hoechst, 1963-64) Headquarters AFN-Europe. The headquarters building was also referred to as the "studio building." Besides housing the headquarters staff for AFN-Europe and AFN-Frankfurt, the building also contained the facilities for Frankfurt Station including four studios with their respective control rooms; the music library; a recording room, news and sports rooms, communications, and additional offices.