Project 10073 Record — Centerville, Ohio, 7 July 1966

This document contains a Project Blue Book sighting report regarding an incident in Centerville, Ohio, on July 7, 1966. A civilian witness reported observing six objects described as 'coffee-cup' shaped, bright white, and lacking protrusions. The objects were observed for approximately 10 minutes, during which they performed sharp turns, approached and receded from the observer, and were accompanied by an explosion or boom before vanishing. The witness was accompanied by his wife, a neighbor, and two children. Dr. J. Allen Hynek, in a follow-up memorandum dated June 1968, criticized the lack of timely investigation, noting that a simple phone call could have clarified the event. Hynek speculated that the objects might have been related to belated July 4th celebrations, suggesting they could have been toy rockets that eject parachutes, as he found the 'upside down coffee cup' description inconsistent with standard aircraft, which he noted do not typically explode.