An official website of the United States government
Here's how you know
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 Data Collections interface provides access to shared data collections and is organized to meet the workflow needs of the analysts. The ability to easily select only images not previously downloaded by the user saves time and effort.