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Kind: Article Credibility: highly credible Tag: STELLARWIND

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MAINWAY Phone Metadata Analysis Program

MAINWAY was not just a database. It was one of the NSA’s central systems for storing, correlating, and chaining phone metadata in order to discover networks, identify links, and surface targets of interest. This entry explains what MAINWAY was, how it fit into STELLARWIND and Section 215, and why it became one of the defining symbols of the phone dragnet era.

Declassified / Nsa/surveillance program/2026-03-30

MAINWAY NSA phone metadata contact chaining STELLARWIND President's Surveillance Program

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MARINA Internet Metadata Storage System

MARINA was not just a storage bucket for internet metadata. It was one of the NSA’s core systems for retaining, searching, and profiling Digital Network Intelligence, allowing analysts to reconstruct user activity, correlate selectors, and look back across large volumes of web-derived metadata.

Declassified / Nsa/surveillance program/2026-03-30

MARINA NSA internet metadata Digital Network Intelligence DNI user activity