To login use your username assigned when you applied. It should be formatted: email@example.com. In certain cases the may be a number between your last name and the "@" symbol.
Your password should be what was assigned to you when you filled out your application, unless you have changed it or had it changed by our helpdesk. If you have forgotten or lost your password, please contact the Vanguard Technical Support Center at 501.882.8999 or via email at firstname.lastname@example.org.