Lieutenant General Stieglitz joined the Luftwaffe in October 1968 and commenced officer training, followed by pilot training in the USA to become a fighter pilot. During his flying career he has accumulated more than 3.600 flight hours, mostly on combat aircraft (F-104 Starfighter, F-4F Phantom, Mig-29 and Eurofighter/Typhoon). In 1981 – 83 he attended the German Armed Forces Staff College. During his career he held numerous national and international staff and command positions. In his last assignment he was Chief of Staff of the German Air Force from January 2004 to October 2009. Today he is engaged as senior advisor and consultant.