4Mi NEof Shelby reported light formation observation — May 3, 1958

On or during May 3, 1958, at or near 4Mi NEof Shelby, Iowa, United States, the source reports the following sequence: FOR YOUR INFORMATION IN CONNECTION WITH PROJECT SPACE TRACK OR PIG IRON: APPROXIMATELY THREE (3) WEEKS AGO A UFOB WAS SIGHTED OVER THE --------------- FARM, -------------- MILES NORTHEAST OF SHELBY, IOWA. A BURSTING FLASH WAS OBSERVED AND A COMPLETE REPORT OF THIS INCIDENT IS ON FILE AT THE FILTER CENTER, GROUND OBSERVER CORPS, DES MOINES, IOWA.