Which of these everyday consumer products was originally developed for military use in World War II, before becoming a massive retail success story?

Throughout history, military needs have driven product innovations that later became civilian staples. Many brands we know today have fascinating origins in wartime supply chains or military contracts. This trivia question explores how one famous product innovation emerged from military necessity and transformed into a global retail success story. Test your knowledge of the intersection between military history and product development!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Jeep vehicles - originally designed as a General Purpose (GP) military vehicle before becoming a civilian brand
Coca-Cola's aluminum cans - designed to replace glass bottles for easier transport to troops overseas
Ray-Ban Aviator sunglasses - created specifically for bomber pilots before becoming a fashion staple
The microwave oven - invented when a Raytheon engineer discovered radar equipment could heat food