Thank you for visiting this NASA Web site and reviewing our privacy and security notices.

• Privacy Notice
• Security Notice
• Disclaimer
• Accessibility Statement

NASA uses advanced technologies as part of its core mission to discover and inform. Cookie technology may be implemented at some NASA Web sites. At no time is private information you have given us, whether stored in cookies (persistent) or elsewhere, shared with third parties that have no right to that information. If you do not wish to have persistent cookies stored on your machine, you can turn them off in your browser. However, this may impact the functioning of some NASA sites.

Below are examples of what we do with your information:

We may collect and store information for statistical purposes. For example, we may count the number of visitors to the different pages of our Web site to help make them more useful to visitors. This information does not identify you personally. We automatically collect and store only the following information about your visit:

1. The Internet domain (for example, "xcompany.com" if you use a private Internet access account, or "yourschool.edu" if you connect from a university's domain) and IP address (an IP address is a number that is automatically assigned to your computer whenever you are surfing the Web) from which you access our Web site;
2. The type of browser and operating system used to access our site;
3. The date and time you access our site;
4. The pages you visit; and
5. If you visited this NASA Web site from a link on another Web site, the address of that Web site.

Similar information is gathered for anonymous ftp, remote account login, or for other comparable types of connections.

The information that you provide on a NASA Web site will be used only for its intended purpose, except as required by law or if pertinent to judicial or governmental investigations or proceedings.

By sending us an electronic mail (e-mail) message, you may be sending us personal information such as your name, address, and e-mail address. We may store your name, address, and e-mail address of the requester in order to respond to your request or otherwise resolve the subject matter of the e-mail. Under limited circumstances, including requests from Congress or private individuals, we may be required by law to disclose the information you submit.

Remember that e-mail is not necessarily secure against interception. If your communication is very sensitive, or includes personal information like your Social Security number, you might want to send it by postal mail instead.

Some of our Web sites ask visitors who request specific information to fill out a registration form. For example, vendors looking for marketing opportunities by visiting our NASA Acquisition Internet Service site may be asked to "register" to obtain email notices of business opportunities. Other information collected at Web sites through questionnaires, feedback forms, or other means, enables us to determine visitors' interests, with the goal of providing better service to our customers.

Regardless of the information being transmitted to NASA, we will protect all such information consistent with the principles of the Federal Records Act, the Privacy Act, and as applicable, the Freedom of Information Act.

For site security purposes and to ensure that this Web service remains available to all users, this Government computer system employs software programs that monitor network traffic to identify unauthorized attempts to upload or change information, or otherwise cause damage. Anyone using this system expressly consents to such monitoring and is advised that if such monitoring reveals evidence of possible abuse or criminal activity, such evidence may be provided to appropriate law enforcement officials. Unauthorized attempts to upload or change information on NASA servers are strictly prohibited and may be punishable by law, including the Computer Fraud and Abuse Act of 1986 and the National Information Infrastructure Protection Act of 1996.

Thank you for visiting this NASA Web site. NASA may provide links to Web pages that are not part of the NASA Web family or nasa.gov domain. These sites are managed by organizations, companies, or individuals and not under NASA control, and NASA is not responsible for the information or links you may find there. NASA provides links to these sites merely as a convenience and the presence of these links is not a NASA endorsement of the sites. NASA is not responsible for the information collection practices of non-NASA sites. Once you link to another site, you are subject to the privacy policy of the new site, and you should read that site's policies on privacy and information collection.

We have attempted to make the pages on this Web site accessible to individuals with disabilities in accordance with Section 508 of the Rehabilitation Act. If you have any difficulty viewing any page with adaptive technology, please contact the webmaster for this site, or the Equal Opportunities Program Office (EOPO).

Documents on NASA Web sites are presented in many formats. These formats are generally accessible to users using screen reading software. Some files on this Web site may be posted as Adobe Acrobat PDF (Portable Document Format) files. Adobe provides their Acrobat Reader software as a free download.