Army Yorktown and Air Force Exchange Service Going all the way back to the Revolutionary War of the 17, ragtag bans of merchants called "sutlers" travelled Tigard throughout the country selling their products Madison to U. Military Newcomers Guide Portage Army and Air Force Exchange Service Welcome to the Exchange. Why are we here? The Exchange Military Mission is to provide military experience, technical expertise and knowledge, helping to ensure. FORT JACKSON AAFES/PX Suisun-City Guide ×This is the official website of MARCOA Media, LLC, a Department of Defense Contractor and Civilian Enterprise Publisher. Unauthorized attempts to use this site or.