Privacy and Security Notice

This World Wide Web (WWW) site is provided as a public service by the The SURVICE Engineering Company.

Information presented on this WWW site is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credits is requested.

For site management, information is collected for statistical purposes. This government computer system uses software programs to create summary statistics, which are used for such purposes as assessing what information is of most and least interest, determining technical design specifications, and identifying system performance or problem areas.

For site security purposes and to ensure that this service remains available to all users, this government computer system employs software programs to monitor network traffic to identify unauthorized attempts to upload or change information, or otherwise cause damage.

Except for authorized law enforcement investigations, no other attempts are made to identify individual users or their usage habits. Raw data logs are used for no other purposes and are scheduled for regular destruction in accordance with the National Archives and Records Administration’s General Records Schedule 20 (Electronic Records).

Unauthorized attempts to upload information or change information on this service are strictly prohibited and may be punishable under the Computer Fraud and Abuse Act of 1986 and the National Information Infrastructure Protection Act.

If you have any questions or comments about the information presented here, you can contact us by sending an email to

For more, see DTIC’s Privacy, Security & Copyright Notices.


Disclaimer of Liability:  With respect to documents available from this server, neither the United States government nor any of its employees makes any warranty, express or implied, including the warranties of merchantability and fitness for a particular purpose; nor assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed; nor represents that its use would not infringe privately owned rights.

Disclaimer of Endorsement:  Reference herein to any specific commercial products, processes, or services by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States government. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government and shall not be used for advertising or product endorsement purposes.

Disclaimer for External Links:  The appearance of hyperlinks on this page does not constitute endorsement (by the federal government, Department of Defense (DoD), or the Defense Technical Information Center) of linked websites or the information, products, or services contained therein. For other than authorized activities, the Defense Technical Information Center does not exercise any editorial control over the information you may find at linked locations. External links are provided consistent with the stated purpose of this DoD website.