Our extraordinary Marine Corps Exchange on Joint Base Myer-Henderson Hall offers designer brand name merchandise and the MCX brands you have come to know and rely upon. The Marine Corps Exchange (MCX) has been proudly serving Marines and their families since 1897. Based on the Marine Corps MCCS Needs Assessment Survey, the Marine Corps Exchange is the #1 benefit to our customers. We hope you'll stop in and see our new departments and ever expanding lines of quality brand name merchandise.