CGX

Coast Guard Exchange Service. Similar to NEX and PX, which are similar to Walmart, Kmart, Target, and Sears.
There's a sale down at the CGX tonight!
by PCHS NJROTC June 07, 2009
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MCX

Marine Corps Exchange Service. Operates stores similar to Walmart, Kmart, and Sears.
MCX is running a sale this weekend!
by PCHS NJROTC June 07, 2009
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