unclassified matter

unclassified matter

Official matter which does not require the application of security safeguards, but the disclosure of which may be subject to control for other reasons. See also classified matter.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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Those emails were sent via the low side computer system for unclassified matters as part of an arrangement that gave the State Department more input in whether CIA drone strikes went forward.
Emails in Hillary probe dealt with planned drone strikes in Pakistan: Report

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