from The American Heritage® Dictionary of the English Language, 4th Edition
- A service mark used for general merchandise store services for government employees on a naval or air force base. This service mark, often lowercased, sometimes occurs in print with the meaning "a general merchandise store on a military base”: "The products are distributed at Army and Air Force base exchanges” ( Washington Post).
Sorry, no etymologies found.
I took her to the closest base (her husband was at Basic Training), showed her how to get an ID card (which required some firm talking) and introduced her to the commissary and Base Exchange.
I did end up finding and buying one, at the Base Exchange, of course.
"Historically, roughly two-thirds of AAFES earnings are paid to MWR and 23rd Force Support Squadron programs with the other third used to build new stores or renovate existing facilities," said Chris Holifield, Base Exchange general manager.
Security forces evacuated the Base Exchange and the commissary after responding to a 10 a.m.
In the morning he’d hand me a list—my orders for the day: “Go down to the BX the Base Exchange and steal these records.”
Spread out below us was the base’s social center—the Officers’ and NCO Clubs, and the Base Exchange, gymnasium, and movie theater.
Submitted Photo -- Construction of the new Base Exchange at Minot Air Force Base nears completion, shown in this photo taken Monday by Senior Airman Joe Rivera.