Project 10J73 Record — Rochester, Michigan, 28 April 1966

This document details a Project Blue Book investigation into a sighting reported in Rochester, Michigan, on April 28, 1966. A civilian witness, whose husband was noted as having served in the Air Force, reported observing a pattern of lights at approximately 9:00 PM. The witness described the lights as traveling at a very low speed and low altitude. Initially, the lights were green, but they subsequently changed to a bright flashing red. The witness noted that the objects would stop and blink very rapidly, and that there was no audible sound. The witness also expressed curiosity regarding whether Dow Chemical was testing a new type of propulsion in the vicinity. Major Hector Quintanilla, Jr., Chief of Project Blue Book, responded to the witness on May 13, 1966, stating that the information provided in her initial letter of May 5 was insufficient for a formal evaluation. He requested that she complete an attached FTD Form 164 and return it in the provided envelope. The official record for Project 10J73 indicates that the form was never returned after 30 days, leading to a conclusion of insufficient data for evaluation.