Which famous retail CEO pioneered the 'PX Express' concept in 2010, bringing quick-service retail kiosks to forward operating bases during the Iraq/Afghanistan conflicts?

The military has its own retail ecosystem that has evolved significantly over the decades. The Army & Air Force Exchange Service (AAFES) and other military retailers have a fascinating history of bringing products to service members worldwide. This trivia question explores an innovative retail launch that changed how military personnel and their families shop on bases around the world.

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Howard Schultz (Starbucks), who deployed modified container stores for troops
Thomas Brock (AAFES), who revolutionized military retail with mobile PX units
Jeff Bezos (Amazon), who created the first military-specific delivery service
Jim Sinegal (Costco), who donated prefabricated retail centers for combat zones