Comprehensive Discrepancy System - Welcome to CDS
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By accessing and using this information system, you acknowledge and consent to the following: You are accessing a U.S. Government information system, which includes: (1) this computer; (2) this computer network; (3) all computers connected to this network including end user systems; (4) all devices and storage media attached to this network or to any computer on this network; and (5) cloud and remote information services. This information system is provided for U.S. Government-authorized use only. You have no reasonable expectation of privacy regarding any communication transmitted through or data stored on this information system. At any time, and for any lawful purpose, the U.S. Government may monitor, intercept, search, and seize any communication or data transiting, stored on, or traveling to or from this information system. You are NOT authorized to process classified information on this information system. Unauthorized or improper use of this system may result in suspension or loss of access privileges, disciplinary action, and civil and/or criminal penalties.

This system is not certified for storage or processing of CUI or classified data.

  • New CDS accounts must be requested via NAMS.
  • For any other assistance with CDS, please email the curator.
  • CDS Rules of Behavior

Please use https://cdsweb.gsfc.nasa.gov for CDS access.