Common
Base exchange
Retail store on a U.S. military installation
Base exchange
An exchange is a type of retail store found on United States military installations worldwide. Once similar to trading posts, today they resemble modern department stores or strip malls. The terminology varies by armed service; some examples include base exchange (BX), and post exchange (PX), and there are more specific terms for subtypes of exchange.
Open boosters, collect cards and trade them. Free to play.
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