I believe the luggage is automatically sent to the address where the vehicle is registered to. It comes via FedEx, not USPS. I can't remember if they deliver to APO addresses.

I've heard that they have been reluctant to ship it to any other address for fear of fraud or some such thing. They've also not entertained orders for extras.

Being that you're in the service, they might make an exception. If you got your car as a US vehicle, I'd call Chrysler directly and speak to customer service.