Today we celebrate the 50th anniversary of Secretary of the Interior Stewart Udall’s 1966 announcement of "Project EROS (Earth Resources Observation Satellites)”.
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.
