Did the gate guard stop you from entering base over the weekend? If so, it may be because of your driver's license.
As of this month, all military installations will no longer accept driver’s licenses from Minnesota, Illinois, Missouri, New Mexico, Washington and American Samoa as proof of identity.
The ban is due to the REAL ID Act of 2005.
After the Sept. 11, 2001, attacks, Congress began examining how states issue driver's licenses and ID cards when they realized most of the terrorists involved had licenses issued from Virginia and Florida.