there was a time where you could cross into France without a Passport, but since a year now, you are not allowed to go into France without a Passport, please be advised, your husband could get into big time trouble if he gets caught on the border or if you guys get stopped on the road. We have received an official email last spring about this topic. For the ones who did it and nothing happend good for you, but it's to much of a risk for anyones carrier pulling such a thing now a days, attached you find the email....
21TSC G6 Email Postmaster
To all concerned,
There has been a change in the Foreign Clearance Guide for France. Active Duty Member were allowed to travel into France on Leave Orders and ID Card. As of 11 Feb 09 the entry requirements have
changed. Any Active Duty Members, Civilian Employees, or their Dependents
must obtain a TOURIST Passport to enter into France. Even if you are going on these one day trips to the boarder or to Paris you must have your Tourist passport on hand. Visa not required for stays of less than 90 days in a six (6)-month period. A visa is required for stays of 90 days or more in a six (6)-month period. The 90 days begin when entering any of the following countries, which are parties to the Schengen Agreement: Austria, Belgium, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Iceland, Italy, Hungary, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, and Sweden. Anyone intending to stay more than 90 days in France must obtain the appropriate visa issued by one of the French Embassy or Consulates prior to departure for France. This also applies to anyone considering marriage in France. For Non-US citizens and dual nationals with non-US passports.
Passport and visa requirements may vary for non-US citizens and for dual nationals traveling on non-US passports. Such travelers should check with a French embassy or consulate to determine what credentials they require for entry.