Which wartime advertising campaign first popularized the iconic 'PX Special' branding that became synonymous with military retail exclusives?

The Post Exchange (PX) system is one of military history's most significant retail innovations, serving troops worldwide for over a century. These military department stores have evolved from simple sutler wagons following Civil War regiments to modern retail complexes that boost morale and provide familiar products to service members stationed far from home. This poll tests your knowledge about this unique military retail institution that has influenced both military life and civilian retail practices.

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World War II's 'Home Comforts for the Front Lines' campaign by the Army Exchange Service
Vietnam War's 'A Taste of Home' campaign by AAFES (Army & Air Force Exchange Service)
Korean War's 'American Products for American Heroes' program
Desert Storm's 'Combat Zone Comforts' marketing initiative