There are two types of cookies. One kind, persistent cookies, stores a file for an extended period on your computer. It is used for functions that inform you what is new since you last visited the website. The second type of cookie is called a session cookie. While you are surfing on a page, this cookie is stored temporarily in your computer's memory to keep track of what language you have chosen, for example. Session cookies are not stored for a long period of time on your computer, but rather disappear when you close your browser.
Cookies on the Coast Guard's website
The Coast Guard's website mainly uses persistent cookies, but session cookies are used as well. See also the link to the right.