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Library - Directive History
N PD 8900 4D Need help?
Status: CURRENT
Subject: NASA Use of Global Positioning System Precise Positioning Service (Revalidated 6/15/09)
Responsible Office Code: CA
Effective Date: April 27, 1999
Expiration Date: August 31, 2014
Cancellation Date:  
Document Cancelling this Directive (if Cancelled):  
Documents Cancelled by this Directive:
N PD 8900 4C   -   Show History
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