Walter Sigel

Walter Sigel (12 January 1906 – 8 May 1944) was a German air officer during World War II. He was a recipient of the Knight's Cross of the Iron Cross with Oak Leaves of Nazi Germany. He led the German bombers during the bombing of Wieluń, the first aerial bombing (and the first war crime) of the war. Sigel died on 8 May 1944 after crashing his aircraft into Trondheim Fjord.
Sigel was the commanding officer of Sturzkampfgeschwader 76 during the Junkers Ju 87 dive bombing demonstration at Neuhammer, present-day Świętoszów, Poland, on 15 August 1939. Observing the demonstration were the senior Luftwaffe commanders, including Generals Hugo Sperrle, Bruno Loerzer, and Wolfram von Richthofen. The lower cloud layer, which was believed to be at , was only at . While Sigel managed to just barely pull out in time, 13 other Ju 87 crews crashed to their death. The event became known as the "Neuhammer Stuka Disaster" ("Neuhammer Stuka-Unglück").