Enola Gay
On August 6, 1945 – August 5 in the United States, due to the time difference – Lewis was the co-pilot of the "Enola Gay" when it dropped Little Boy on Hiroshima. Normally the aircraft commander assigned to the "Enola Gay", for this important mission he acted as co-pilot and co-commander, assisting "Enola Gay"'s new aircraft commander, Colonel Tibbets. Lewis and his crew, minus their original co-pilot Dick McNamara, were Tibbets' crew for the mission, and it included two specialists for the arming of Little Boy, the uranium-235 fission bomb.