For supply chain leaders, 2021 is déjà vu all over again: Along with the ongoing pandemic, supply chains have grappled with extreme weather events, transportation disruptions, facility fires and shortages of people, raw materials and finished goods. And yet, as of this writing, major global economies are performing at pre-pandemic levels. Clearly, supply chains are exhibiting agility and resilience, two essential traits for a world in which disruption is a major factor.