Which packaging innovation was specifically developed during WWII that revolutionized how military supplies were transported and drastically improved field logistics?

Throughout military history, packaging design has played a crucial but often overlooked role in warfare logistics. From ancient methods of preserving rations to modern tactical supply systems, how packaging innovations have evolved has directly impacted battlefield effectiveness and strategy. Test your knowledge about a revolutionary packaging development that changed military operations during a pivotal historical period.

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The CONEX (Container Express) box, a reusable steel shipping container that standardized military cargo transport
The K-Ration box with waterproof wax coating that extended food preservation in varied combat environments
The JATO (Jet-Assisted Take Off) canister, allowing aircraft to take off from shorter runways with heavy loads
The VARK (Variable Ammunition Resupply Kit) using standardized palletization that enabled rapid battlefield resupply