Zero Trust is a logical evolution of security in a world where remote access to networks and applications is more common than being on-site with an organization's data center. From cloud applications to the explosion of remote work, the traditional "castle and moat approach" simply does not scale or protect networks that are constantly being accessed by outside users.
Lt. Gen. Brooks L. Bash , Director for Logistics at the Joint Staff, centered his presentation on the constraints that logistics has and will always impose on warfighting. From that perspective, for the US to pivot to the Pacific only makes things harder with the huge distances involved. New threats to the US supply routes, which by and large have not been challenged since WWII, come in varied shapes from missile profileration to swarms of small ships. From a broader macro perspective, logistical chokepoints such as the straits of Hormuz or Malacca could severely damage the economy if they become hotspots.