DOE-UAP-D005, Pantex Unidentified Object Incident Report, 2015

The report says Pantex ground-surveillance radar detected an unknown object west of the facility shortly after 07:00, moving north at an estimated 10–15 mph.

identified an unknown object flying in a non-threatening manner west of Pantex facilities

Protective Force personnel secured pedestrian and vehicle gates and repositioned patrols to protect assets after the radar alert.

All plant pedestrian and vehicle gates leading into and out of security areas were immediately secured

Ground observers described a diamond-like shape, rounded at the top, and Security Police Officers also tracked it with a CROWS camera.

their perspective of the object was that it was a "diamond" type shape

Witnesses estimated an altitude of 100–200 feet, an observation distance of 75–100 meters, and a duration of three to five minutes; these are recorded estimates, not instrumentally established dimensions.

The SPOs stated that it was 100-200 ft. above the ground

One binocular observer estimated the object at roughly four feet tall and two feet wide at the bottom, while witnesses disagreed about whether its colors appeared black, silver, red, or blue.

approximately 4 ft. tall and 2 ft. wide at the bottom

The report states that the object never appeared threatening or approached sensitive assets and remained over open, unpopulated areas before leaving the site.

at no time did the object appear to be threatening in nature

Video from a ground-surveillance radar tower was sent to Sandia National Laboratories, but the report says distance prevented the recording from showing much detail.

The video does not provide much detail of the object due to the distance

The incident evidence, including statements and video, was turned over to the FBI according to the report.

All evidence of the incident