Project Blue Book: Unveiling the U.S. Air Force’s Secret UFO Investigations
Project Blue Book was the third and most extensive of a series of systematic studies conducted by the U.S. Air Force on unidentified flying objects. Preceded by Project Sign in 1947 and Project Grudge in 1949, Project Blue Book was initiated amid a surge of public interest and concern over UFO sightings. Headquartered at Wright-Patterson Air Force Base in Ohio, the project was led by Captain Edward J. Ruppelt, who was known for bringing a more rigorous scientific approach...