Project 10073 Record Card — Sighting Incident 29 June 1956

This document consists of a Project 10073 record card and associated teletype reports detailing a sighting incident that occurred on June 29, 1956, across Southern California, from Los Angeles to San Diego. Numerous observers reported a stationary, round, silvery-white object that appeared to be the size of a pinhead at arm's length. The object was observed for approximately two hours, during which time it appeared to oscillate and changed color to a rose hue as the sun set. Military response included the scrambling of F3D aircraft from the 27th Air Division, which were unable to reach the object's altitude, estimated between 23,000 and 40,000 feet. Radar contact was noted, though one unknown track faded prior to the initial reports. The investigation, led by Major Ahlstrom and Captain Tappan, concluded that the sighting was caused by a balloon. This conclusion was supported by the existence of a NOTAM regarding a balloon release in the area and weather data confirming a balloon was drifting toward the location of the sightings. The report includes contact information for several witnesses in Redlands, Rialto, and Yucaipa, California, though these details are redacted in the provided document.