UAP Over Pantex Nuclear Weapons Facility — Lockdown (September 2015)

On September 1, 2015, an unidentified object intruded into the airspace over the Pantex facility — the only U.S. facility that assembles and disassembles nuclear weapons. The facility was placed on lockdown. Two security officers pursued the object but could not catch it. Declassified for the first time in PURSUE Release 4 (July 10, 2026).