First congratulations and we wish you the best on this most important occasion! This can be a complex issue and you may need to seek a legal opinion from JAG.
There can be significant and complex issues for Soldiers marrying a person from another country especially if you plan on staying in the Army and making it a career.
These issues include the possibility of losing or not being able to obtain a security clearance as a result of the marriage. If you job currently requires a clearance losing it could potentially result in your separation from the service.
If your spouse is from a country on a watch list or other similar list she may not be allowed to enter into the U.S.