Exploitation of Metallic Fragment from Unidentified Flying Object

This Central Intelligence Agency report, dated May 4, 1966, details the technical exploitation of a metallic fragment recovered near Kerekene in the Republic of the Congo. The fragment, measuring approximately 2x2x1 inches, was recovered following a ground search after a reported sighting of an unidentified flying object between October 10 and 15, 1965. The object was reported to have been traveling in an east-to-west direction before it exploded and fell to earth. The CIA laboratory analysis concluded that the fragment was originally part of an electrical component, specifically identifying it as a generator armature. The construction consisted of 0.010-inch thick silicon-steel laminates stacked on a central mild steel core or shaft. Metallurgical examination revealed that the surface and microstructure of the specimen had been subjected to temperatures exceeding 2800 degrees Fahrenheit, causing melting and flowing of the copper plating between the laminations. The report notes that the fabrication techniques used were consistent with standard procedures for manufacturing electric motor armatures, including the use of stamped laminates and copper-bonding. The document includes several figures and photomicrographs illustrating the cross-sections, surface conditions, and microstructures of the recovered material, which served as the basis for the agency's technical assessment.