Commissaries and Exchanges – Starting 1/1/20, certain additional people will be able to shop on base and use MWR facilities.
Here is an article from he Military Times about it: https://www.militarytimes.com/pay-benefits/2019/10/21/more-questions-answered-as-installations-get-ready-for-the-potential-3-million-extra-shoppers/?utm_source=Sailthru&utm_medium=email&utm_campaign=EBB%2010.21.19&utm_term=Editorial%20-%20Early%20Bird%20Brief