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Below you will find a list of the cookies set by


Cookie List

A cookie is a small piece of data (text file) that a website – when visited by a user – asks your browser to store on your device in order to remember information about you, such as your language preference or login information. Those cookies are set by us and called first-party cookies. We also use third-party cookies – which are cookies from a domain different than the domain of the website you are visiting – for our advertising and marketing efforts.


More specifically, we use cookies and other tracking technologies for the following purposes:

Strictly Necessary Cookies​

These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions you take which amount to a request for services, such as setting your privacy preferences, logging in, or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not work correctly if you do. Strictly Necessary Cookies do not store any personally identifiable information.

Performance Cookies

Performance cookies allow us to count website visits and identify referring websites so we can measure and improve the performance of our websites and understand how visitors reach our websites. They help us to know which pages are the most and least popular and see how visitors navigate Leidos websites. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies, we will not know when your device has visited our websites, unless you choose to provide information to us while visiting our websites, and we will not be able to monitor our websites’ performance.

Functional Cookies

Functional cookies enable ZIN websites to provide enhanced functionality and personalization. For example, these cookies allow us to provide customized content based on your device’s location. Functional cookies may be set by us or by third party providers who collect information on our behalf. Functional cookies interactions with our websites to help us understand how website visitors use our websites and how we can improve them. If you do not allow these cookies, some or all of these services may not function properly.

Targeting Cookies

Targeting cookies may be set through our site by our advertising partners. These cookies are typically used by those companies to collect information about activity on ZIN websites and to build a profile of website visitors’ interests, so they can display relevant advertisements on other websites.  Please note that your choices will only impact the use of targeting cookies on our websites for the browser on the device you are currently using. If you use another browser or device to visit our websites, you may need to separately set cookie preferences for that browser or device.

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Image Credit: NASA

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