Mail.google.com/a/usa.army.mil

It looks like you're trying to access a Gmail account for the United States Army!

mail.google.com/a/usa.army.mil is a custom domain for the United States Army, which allows authorized personnel to access their Gmail accounts using their Army email addresses.

If you're trying to access your Army email account, you can follow these steps:

1. Go to mail.google.com/a/usa.army.mil in your web browser.
2. Enter your Army email address (e.g., [email protected]) and password.
3. Click "Sign in" to access your account.

If you're having trouble accessing your account, you may want to check with your Army IT department or supervisor for assistance.