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               III.  (U) Operational Use of the USA Freedom Act CDR

                       Program


                       (U) This section describes how an NSA analyst would use the CDR program to assist his
               or her counterterrorism mission; how the CDR program provided analytic material for
               intelligence reporting since 2015; and how FBI used NSA’s intelligence reporting in its
               counterterrorism and investigative efforts.

                       A.  (U) How NSA Analysts Used the USA Freedom Act CDR

                              Program


                       (U) As part of its signals intelligence mission, NSA collects foreign intelligence from
               communications and information systems to support intelligence needs across the government. 122
               To answer terrorism-related requests, NSA maintains an office of counterterrorism within its
               operations directorate. 123   That office brings all lawful authorities and intelligence relationships
               to bear in its collection and analysis of signals intelligence, providing valuable insight into the
               terrorist threats to the country. 124
                       (U) When a new terrorism threat is discovered or a terrorist attack occurs, NSA’s office
               of counterterrorism uses all its legal authorities to collect and analyze intelligence. 125   Its analysis
               informs policymakers and law enforcement about the threat and aids in their decision-making
               processes. 126   Time is of the essence in the immediate aftermath of an attack or when an
               imminent threat is discovered, so NSA analysts routinely leverage intelligence relationships and
               utilize a broad array of authorities to obtain and access the highest quality information they can,
               as quickly as they can. 127


                       (S//NF) For example, hypothetically, if a terrorist attack occurred in New York City, an
               NSA analyst would seek information from an FBI analyst liaison
                                      .  The FBI analyst would attempt to ensure that any information relating
               to the attack in FBI’s possession that could legally be shared with NSA was quickly relayed to
               NSA.  Likewise, NSA would pass any pertinent intelligence to FBI, subject to applicable legal



               122  (U) NSA briefing to the Board (May 23, 2019).
               123  (U) NSA briefing to the Board (May 23, 2019).
               124  (U) NSA briefing to the Board (May 23, 2019).
               125  (U) NSA briefing to the Board (May 23, 2019).
               126  (U) NSA briefing to the Board (May 23, 2019).

               127  (U) NSA briefing to the Board (May 23, 2019).

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