AFMC command chief to retire Published May 7, 2012 Air Force Materiel Command Public Affairs WRIGHT-PATTERSON AIR FORCE BASE, Ohio -- Chief Master Sgt. Eric R. Jaren, Air Force Materiel Command command chief, will retire in June after 30 years of service. Gen. Donald Hoffman, AFMC commander, will preside over the ceremony, to be held Friday, June 1, 2012, at the National Museum of the United States Air Force. Jaren became AFMC command chief in January 2010. For more information about his retirement, contact Master Sgt. Wendy McDowell at wendy.mcdowell@wpafb.af.mil.