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Decoder
Codewords & Terminology Decoder
Decode historical codewords, acronyms, aliases, component designations, material nomenclature, and archival terminology only as far as documented public and declassified evidence permits.
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Components
Component Genealogy
Trace historical nuclear-weapons components through design authority, facilities, functions, materials, parent assemblies, programs, and evidence-qualified limits.
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Contracts
Contracts & Contractors
Trace the contracts, prime contractors, subcontractors, procurement relationships, engineering firms, vendors, and surviving records that connected organizations to nuclear work.
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Community Review
Corrections & Evidence Contributions
Report errors, contribute historical evidence, identify missing sources, and follow a transparent review process that keeps submissions distinct from verified findings.
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Reading Room
Declassified Document Reading Room
Enter curated collections of historical nuclear-weapons records with provenance, release status, repository information, citation, and Rosetta context preserved.
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Featured Record
Document of the Month
Examine one significant primary document in depth—its provenance, historical context, evidentiary meaning, limits, Rosetta connections, and the questions it leaves behind.
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Evidence
Documents & Archives
Find primary documents, archival collections, source trails, retrieval targets, and the repositories in which the historical record survives.
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Independent Review
EEOICPA & Independent Review Research Center
Trace NIOSH methods, SEC research, Advisory Board proceedings, SC&A independent review, underlying historical evidence, and the status of disputed or reopened findings.
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Coverage
EEOICPA & SEC Coverage Status
Browse the public 397-node crosswalk distinguishing current EEOICPA coverage from current NIOSH Special Exposure Cohort class listings.
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Method
Evidence Status Key
Learn the common Rosetta vocabulary used to distinguish documented evidence, indirect evidence, unresolved questions, research leads, and missing-record targets.
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Places
Facilities & Sites
Follow laboratories, production plants, test sites, contractor locations, buildings, and other nodes across the nuclear weapons complex.
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Records Recovery
FOIA Research Center
Turn documentary gaps into targeted records-recovery projects and track custodians, requests, responses, appeals, recovered records, and the evidence they ultimately support.
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Archive Skills
How to Read a Nuclear Archive
Learn how to read nuclear records as historical artifacts—provenance, markings, numbering systems, attachments, omissions, citations, and the documentary trails hidden inside a single page.
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Matter
Materials, Isotopes & Components
Explore radioactive materials, isotopes, source forms, components, processes, and the documentary evidence establishing their use and movement.
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Reading
Nuclear Bookshelf
Discover books and reference works on nuclear history, institutions, weapons production, science, labor, archives, and the historical nuclear complex.
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Work
Occupational History
Examine who performed the work, where and when it occurred, the materials and processes involved, and the monitoring evidence that survives.
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Events
Occurrences, Incidents & Accidents
Reconstruct fires, leaks, spills, releases, contamination events, equipment failures, emergency responses, monitoring, corrective actions, and the records that preserve them.
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Activity
Operations & Programs
Connect production campaigns, weapons programs, experiments, tests, maintenance, special projects, and other work to facilities and records.
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Human Record
Oral Histories & Workers’ Voices
Preserve worker and participant recollections as distinct historical sources, connect them to documentary evidence, and keep corroboration, uncertainty, consent, and privacy visible.
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Institutions
People & Organizations
Trace government authorities, laboratories, universities, contractors, suppliers, scientists, and worker populations through the records that connect them.
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Public Evidence
Public Evidence Explorer
Explore publication-cleared records connecting facilities, organizations, materials, shipments, operations, worker populations, documents, and archives.
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Tools
Research Guides
Use focused guides that bring together repositories, record groups, document series, retrieval strategies, and source pathways for deeper research.
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Open Questions
Research Leads
Follow unresolved documentary questions, missing records, archival targets, and promising source trails without confusing them with established historical findings.
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Research Process
Research Notebook
Follow selected research questions as the evidence develops—what Rosetta initially understood, what the archival record revealed, what changed, and which questions remain open.
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Movement
Shipments & Connections
Reconstruct the movement of materials, sources, components, technology, and responsibility between facilities and organizations.
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Network
The Hidden Nuclear Weapons Complex
Reconstruct the universities, contractors, machine shops, manufacturers, suppliers, military organizations, and specialized institutions behind the better-known nuclear facilities.
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Recovery
The Missing Archive
Track records known, expected, referenced, or strongly indicated by surviving evidence but not yet recovered for public research.
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