What happened
During a mission targeting the Sui-ho Hydroelectric Plant (Sup'ung Dam) situated on the border of North Korea and China, a heavy bomber departed from Kadena Air Force Base. As the aircraft approached its designated target area, it was intercepted by a Soviet Air Force MiG-15 fighter. The engagement resulted in the bomber being shot down, causing it to crash in the vicinity of the city of Supung.
Of the 12 individuals on board the aircraft, 11 fatalities were recorded. One crew member survived the crash and was subsequently taken as a prisoner of war.
Findings
Investigations into the loss of the aircraft concluded that the primary reason for the destruction of the bomber was that it was shot down by a Soviet MiG-15 fighter pilot during its approach to the mission target.