A Model and Data Sharing Hub is a centralized platform for managing and sharing data and AI/ML models within a collaborative data and services environment. It serves as a repository for cataloging, managing, and accessing datasets and models. The hub provides data analytics and AI development services while linking different data spaces through the digital backbone. It promotes interoperability by implementing metadata standards, harmonizing community-specific standards, and supporting cross-security domain information sharing. Oversight and implementation involve collaboration among all participating organizations.