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.
(a) 640×480 image at full magnification; (b) 640×480 image enlarged post-acquisition to 800%; (c) 1280×960 image at full magnification reduced in size by 50%; (d)1280×960 image enlarged post-acquisition to 400%.
