NSA TOP SECRET UMBRA UAP records (18 May 2026).

official-recordgovernment_studyUS Department of Energy (DOE)

~334 pages once classified TOP SECRET UMBRA released by the NSA after a FOIA appeal rooted in a 1980 lawsuit (the 'Yeates Memo' lineage).

NSA release of formerly TOP SECRET UMBRA UAP records via a FOIA appeal won by the Disclosure Foundation, with roots in a 1980 lawsuit. Secondary-verified (primary lawsuit docs not fetched) — treat page count as secondary-sourced.

Connected entities

National Archives & Records Administration.

Sources