Monetary Gifts On Wedding Invitations

My fiance and I are in the Navy and we don`t live together. In fact we live in different states. We have two separate houses and pretty much won`t be able to share or enjoy the things that we get at our wedding. Another problem is that we move around alot. So our plan is to announce on our invitation that monetary gifts are accepted as well as regular gifts. How would I word it without offending anyone and do you know of another website that has the wording for this so that I can put it on my invitation.