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.
Degraded document images showing variation of contrast: Left image shows higher contrast at the left edge while lower contrast is shown at the right edge of image. The right image depicts low contrast in the middle and high contrast in both left and right edges.
