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Dot gov

The .gov means it's official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you're on a .gov or .mil site by inspecting your browser's address (or "location") bar.


This site is also protected by an SSL (Secure Sockets Layer) certificate that's been signed by the U.S. government. The https:// means all transmitted data is encrypted - in other words, any information or browsing history that you provide is transmitted securely.

The Challenge website has undergone a recent redesign and upgrade. You will need to reset your password to log into your account. Here's how:

  1. Click here to reset password
  2. Enter your email address
  3. Check the reCAPTCHA
  4. Send Password Recovery Email
  5. Verify your email address

And, Challenge is taking extra steps to protect your security. Now, when you log in, we'll send you a code to verify your access to safeguard your accounts. Welcome back, and welcome to the new Challenge