The sightings of July 19–20, 1952, made front-page headlines in newspapers around the nation. A typical example was the headline from the Cedar Rapids Gazette in Iowa. It read "SAUCERS SWARM OVER CAPITAL" in large black type (Michaels, p. 22). By coincidence, USAF Captain Edward J. Ruppelt, the supervisor of the Air Force's Project Blue Book investigation into the UFO mystery, was in Washington at the time. However, he did not learn about the sightings until Tuesday, July 22,