(ABC News) Members of our armed forces who are on active duty, and their families, are faced with many unique challenges.

Thankfully, they also receive several unexpected benefits — and that includes credit cards. The blog Military Money Manual, written by an active duty member of the Air Force, has learned that American Express will waive most of its fees on all of its cards that are held by active duty members of the armed forces.

Note: Read our discussion guidelines before commenting.