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To sign up for the CALLBACK Monthly Email List, you will be leaving the NASA ASRS web site and linked to a third party site, which will distribute CALLBACK by email and administer subscription lists. NASA has contracted this third party for its services. The NASA ASRS has directed you to this link, but this does not serve as a commercial endorsement.

For your information, NASA has prevented any tracking of subscribers through contract arrangements with this third party. NASA ASRS only uses your email address for CALLBACK subscriptions. NASA ASRS and the third party vendor will never share or sell your personal information.

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