These are 100% real United States government mission patches. Even secret black operations patches can be made available to the public through the freedom of information act. Trevor Paglen has created an astounding book in which he deciphers possible meanings to these often frightening patches.
Here is a great article where Mr. Paglen analyzes most of the ones shown here:
• http://cabinetmagazine.org/issues/24/paglen.php
• http://vigilantcitizen.com/vigilantreport/top-10-most-sinister-psyops-mission-patches/
