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| Revision | Authority | Publication Date | Entry Date | Last Modified |
|---|---|---|---|---|
| View Revision | National Security Agency | 06/15/2011 | 10/16/2008 | 10/30/2018 |
| View Revision | National Security Agency | 09/30/2009 | 10/16/2008 | 07/11/2011 |
| View Revision | National Security Agency | 03/23/2008 | 10/16/2008 | 03/07/2011 |