Photo #: 80-G-687595 Carlson's Canyon Bridge Attacks, March-April 1951 Photograph Carlson's Canyon # 11, taken on 30 March 1951, showing the bridge repaired with wooden cribbing. It lacks only rails to be ready for service again. The bridge was originally knocked out by Navy carrier planes on 3 March, was repaired and again put out of service by air strikes on 15 March and would be revisited and totally destroyed on 2 April. This railway bridge-tunnel complex was located south of Kilchu, in northeastern Korea. Official U.S. Navy Photograph, now in the collections of the National Archives.