Synopsis

The official Project Blue Book investigation into unidentified flying objects has concluded. The findings indicate no evidence that these enigmatic phenomena pose a threat to U.S. national security. Yet, unsettling reports of UFO sightings persist, and the inexplicable failure of American nuclear missiles following an incursion leave the nation vulnerable. Now, three former Air Force officers, who served at nuclear weapons installations in the late 1960s, are breaking a two-decade silence to sha