Which groundbreaking supply chain innovation allowed the Allied forces to rapidly establish beachheads during the D-Day invasion of Normandy in WWII?

Supply chains have always been critical to military success, as the famous military strategist Napoleon Bonaparte once said, 'An army marches on its stomach.' Throughout history, innovations in military supply chain management have often determined the outcome of conflicts. Test your knowledge about how military supply chain logistics have evolved and transformed warfare capabilities across different eras.

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Mulberry Harbors - prefabricated portable ports that could be assembled quickly in open water
Red Ball Express - dedicated truck convoy system that delivered supplies from ports to frontlines
Liberty Ships - mass-produced cargo vessels that significantly expanded naval transport capacity
Eisenhower Supply Network - computerized inventory tracking system for battlefield materiel