Which packaging innovation, first widely adopted during World War II, revolutionized military supply chains and is credited with helping Allied forces maintain operational effectiveness in diverse combat zones?

Throughout history, military success has often hinged not just on strategy and valor, but on logistics and supply chain management. From Napoleon's famous observation that 'an army marches on its stomach' to modern just-in-time delivery systems for military hardware, the evolution of military supply chains has shaped the outcome of conflicts across centuries. Test your knowledge about a revolutionary packaging innovation that changed modern warfare and military logistics.

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The K-Ration in waxed cardboard boxes
The CONEX (Container Express) shipping container
The Jerrycan (or Wehrmacht-Einheitskanister)
Vacuum-sealed ammunition crates