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National Security Agency: Missions, Authorities, Oversight and Partnerships

Published August 9, 2013

The NSA released this document on August 9, 2013, after Edward Snowden leaked classified documents related to the U.S. government's telephone and internet data collection and surveillance programs. This document details the history and mission of the NSA, the authority and process under which it operates, and the estimated size of its data operations.

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