How do I create an AA3 account?

From AAManual

To create an account, do the following:

1. In the in-game menu, click “Create New Account”
2. Enter the desired username and click “Check Availability”.
3. Enter the desired password, confirm the password and enter, click “Next”.
4. Enter your e-mail address and birthdate. Click “Next”.
5. If you have an America’s Army 2 account, enter the credentials to validate.
6. Confirm all information and click “Finish”.
7. Enter desired Soldier name and check availability.
8. Click “Next” and then “Finish”.
9. Click “Instant Action” or “Enlist”.