Army Air Corps and a navigator on the mission. Russell Gackenbach was a second lieutenant in the U.S. There were three strike planes that flew over Hiroshima that day: the Enola Gay, which carried the bomb, and two observation planes, the Great Artiste and the Necessary Evil. It was the first time a nuclear weapon had been used in warfare. 6, 1945, the United States dropped an atomic bomb on the Japanese city of Hiroshima. Russell Gackenbach was the navigator aboard the Necessary Evil.
