This is the letter I got:
To support the men and women who serve in the United States Armed Forces, we are handling your account referenced above in accordance with the Servicemembers Civil Relief Act.
The Servicemembers Civil Relief Act provides for a maximum annual interest rate of 6% per year on loans you received before starting active military duty. As of today, your account does not have a balance owed which generates interest charges so there is no eligible balance. However, we have waived the following fees on the account for the duration of your active military duty:
Annual Membership fees Overlimit fees Late Payment fees Returned Payment fees Statement Copy Request fees
This completes our review of this account, if there are any additional accounts you would like reviewed for Servicemembers Civil Relief Act benefits, please call us at 1-800-253-1720. If you're outside the United States, call us collect at 1-336-393-1111.
We are grateful for the service and devotion you have shown to our country.
American Express Customer Care