Which packaging innovation, introduced during World War II, revolutionized combat feeding by allowing soldiers to heat meals without fire and was nicknamed after its inventor?

During wartime, feeding troops effectively can be as crucial as providing ammunition. Military field rations have evolved dramatically over centuries, from simple preserved meats to today's sophisticated Meals, Ready-to-Eat (MREs). These product innovations reflect changing nutritional science, preservation technology, and logistics capabilities. This trivia question explores one of the most significant packaging innovations in military history that revolutionized how soldiers were fed in combat conditions. Test your knowledge of military supply history!

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The Wilkinson Pouch - a vacuum-sealed, flexible container that preserved food for up to 3 years without refrigeration
The Carlisle Packet - a self-heating aluminum container using water-activated chemical heating
The Stimson Box - a compressed food brick with integrated chemical heater activated by pulling a string
The Doboy Heater - a flameless ration heater that used water and an exothermic chemical reaction to heat canned field rations