Project Blue Book Incident Report — Bloomingdale, Indiana, 11 July 1952

This document consists of a series of military communications regarding an Unidentified Flying Object sighting near Bloomingdale, Indiana, on 11 July 1952. The primary report, transmitted by the 782nd AC&W Squadron, describes a white, circular object observed at approximately 2215 CST. The object was reported to be moving in a south-to-north direction at an estimated altitude of 1,000 to 2,000 feet. Witnesses noted that the object exhibited fast, horizontal flight without any visible aerodynamic features, trails, or exhaust, and produced no sound. The observation lasted between six and eight seconds before the object was lost to sight behind trees. Subsequent intelligence assessments conducted by the Air Technical Intelligence Center (ATIC) and the 782nd AC&W Squadron confirmed that there were no known aircraft or balloon releases in the Bloomingdale area between 0330Z and 0430Z on 11 July 1952. The incident was formally tracked under Project Blue Book, with the intelligence evaluation concluding that the event remained unidentified. The documents include a Joint Message Form and internal correspondence between military units, reflecting the standard procedure for investigating aerial phenomena during this period.