In-depth facility records, FOIA documentation, engineering analysis, and database updates — sourced exclusively from public records.
FACILITY RECORDS
The Greenbrier Bunker — Why This Record Is CONFIRMEDApril 2026 CONFIRMED
The Greenbrier Bunker, formally designated Project Greek Island, is the anchor record in the D.U.M.B. Database and the first facility to receive a CONFIRMED confidence grade. This classification is based on official United States government acknowledgment, declassified federal records held at the National Archives, and the facility's current operation as a publicly accessible Cold War museum.
Read Article →FOIA & DOCUMENTS
How Public Records Confirm Underground Facilities: A FOIA and Declassification PrimerApril 2026
Every facility record in the D.U.M.B. Database is grounded in publicly available documentation obtained through legal channels. The Freedom of Information Act, the federal declassification system, and the National Archives constitute the three primary mechanisms through which underground facility records are identified, verified, and graded. This primer documents how each mechanism functions and how researchers can access primary source records.
Read Article →DATABASE UPDATES
Database Update: Launch of the Greenbrier Facility Record and Current Expansion StandardsApril 2026
The D.U.M.B. Database has officially launched with its first published facility record: the Greenbrier Bunker in White Sulphur Springs, West Virginia, assigned a CONFIRMED confidence grade. This update documents the five-tier grading system, editorial standards governing all records, and four facilities currently in the research pipeline.
Read Article →Have research, documents, or source material relevant to a facility in our database? The editorial team reviews all submissions of publicly available information.
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