He energetically supported Colonel von Stauffenberg's coup attempt on July 20, 1944, by attempting to rally behind the uprising as many forces as possible. Hase begged Deputy Commander of Military District-3 (Berlin), Gen. von Thuengen to seize the initiative and send troops to Bendlerstrasse to keep the coup moving. Later, he visited Reich Minister Joseph Goebbels' residence where he was arrested.
He was tried, sentenced to death, and hanged by the Nazi regime.
Sources: Joric Center