On March 21, 1945, Hadfield was a member of the 642nd Bombardment Squadron, 409th Bombardment Group, 9th Bombardment Division, 9th Air Force, piloting an A-26B, when his aircraft was hit by anti-aircraft fire and went missing during a combat mission from Couvron, France to Dülmen, Germany. Hadfield, and his two crewmen, Sgt. Vernon Hamilton and Sgt. John Kalausich, had been participating in the interdiction campaign to obstruct German troop movements in preparation for the Allied crossing of the Rhine River on March 23, 1945.