Hausser was promoted to SS-Oberst-Gruppenführer in August 1944 and subsequently commanded Army Group Oberrhein and later Army Group G until 3 April 1945. On the day he was relieved, Joseph Goebbels wrote, "He has definitely not stood the test." He ended the war on the staff of Field Marshal Albert Kesselring. At the Nuremberg Trials, he claimed that the Waffen-SS only had a military role and denied that it was involved in war crimes and atrocities. Post-war activities Work for U.S. Army Historical Division Following the war, Hausser participated in the work of the U.S. Army Historical Division, where under the guidance of Franz Halder, German generals wrote World War II operational studies for the U.S. Army, first as POWs and then as employees. In the late 1940s, Hausser authored an operational study on the Seventh Army's response to the Allied Normandy breakout. The study, together with contributions from Rudolf Christoph von Gersdorff, Heinrich Freiherr von Lüttwitz, Wilhelm Fahrmbacher and Heinrich Eberbach, was published in 2004 as Fighting the Breakout: The German Army in Normandy from COBRA to the Falaise Gap. Leader of Waffen-SS lobby group From 1950, Hausser was active in HIAG, a revisionist organization and a lobby group of former Waffen-SS members. HIAG began in late 1950 as a loose association of local groups; by October 1951, however, it claimed to embrace 376 local branches across West Germany. In December 1951, Hausser became its first spokesperson. With the publication of its first periodical in late 1951, HIAG was beginning to draw attention to itself and generate public controversy, including speculation that it was a neo-Nazi organization. In response, Hausser wrote an open letter to the Bundestag denying these accusations and describing the HIAG as an advocacy organisation for former Waffen-SS troops. Hausser asserted that its members rejected all forms of radicalism and were "upstanding citizens". As part of its lobbying efforts, HIAG attempted to "manipulate historical record or simply to ignore it", according to the historian David C. Large, who studied HIAG in the 1980s. HIAG's rewriting of history included significant multi-prong propaganda efforts, including tendentious periodicals, books and public speeches, along with the publishing house of Munin Verlag, to serve as a platform for its publicity aims. The express aim of Munin Verlag was to publish the "war narratives" of former Waffen-SS members, in cooperation with HIAG. Memoirs Paul Hausser's 1953 book Waffen-SS im Einsatz ("Waffen-SS in