History of UFO Sightings and US Government Investigations

This event chronicles the history of UFO sightings and government investigations in the United States since World War II. Key moments include the first widely reported UFO sighting by Kenneth A. Arnold in 1947, the Roswell incident, and the launch of Project Sign and Project Blue Book by the United States===United States Air Force. The narrative also covers the construction of Area 51, its acknowledgment by the United States===Central Intelligence Agency, and various public sightings. More recently, the United States===The Pentagon released declassified UAP footage, established a UAP Task Force, and conducted studies finding no evidence of extraterrestrial intelligence. United States===National Aeronautics and Space Administration also initiated a study on UFOs. Former United States===United States Air Force intelligence officer David Grusch alleged a U.S. concealment program, which the United States===The Pentagon denied. Former Presidents Barack Obama and Donald Trump have also commented on the topic, and U.S. Representative Anna Paulina Luna requested the release of UAP videos.