Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
| Revision | Authority | Publication Date | Entry Date | Last Modified |
|---|---|---|---|---|
| View Revision | Defense Information Systems Agency | 12/03/2009 | 12/03/2009 | 02/25/2011 |
| View Revision | Defense Information Systems Agency | 12/03/2009 | 12/03/2009 | 04/15/2019 |