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N PD 8740 1 Need help?
Subject: Notification and Communications Regarding Potential Near-Earth Object Threats (Revalidated with Change 1)
Responsible Office Code: DA
Effective Date: January 27, 2017
Expiration Date: January 27, 2027
Cancellation Date:  
Document Cancelling this Directive (if Cancelled):  
Documents Cancelled by this Directive: