The Department of Defense (DOD) is seeking proposals for advanced computing and software, integrated sensing, and cyber technologies. The goal is to leverage Zero Trust principles to secure digital twins and the data they receive from physical machines. Zero Trust is a cybersecurity paradigm that verifies every user, device, and application before granting access to resources. Digital twins are gaining traction across industries, but they introduce new attack vectors. The Defense Logistics Agency (DLA) is specifically looking for proposals that incorporate best practices and innovation to secure digital twins using Zero Trust principles. The project duration for Phase I is 12 months with a cost of $100,000, while Phase II is 24 months with a cost of $1,000,000. The ultimate goal is a Phase III transition. The proposal should include plans for continuous authentication, least privilege access, network segmentation, data encryption, and advanced analytics. Phase III proposals can be submitted after the completion of Phase I or II projects and are not limited in funding or performance period. The keywords for this solicitation are cybersecurity, Zero Trust, digital twin, and operational technology (OT).