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.
The EROS mission is to document and study changes to earth. With a vast archive of imagery from multiple sources, the EROS archive is the longest continuous record or earth's changing landscapes.
Public Domain.