Project Sentinel: Joint-Service Offline Two-Person Integrity (J-SOTPI) for Tactical Systems

Description: Project Sentinel is a Department of the Navy solicitation issued through NIWC Atlantic for a prototype enterprise software capability providing hardware-validated, dual-operator integrity and multifactor authentication in disconnected tactical environments. The solution must protect privileged functions across Windows, Linux, hypervisors, and network hardware without relying on cellular or internet connectivity. Offers are due August 12, 2026, at 11:59 p.m. EDT, and the opportunity was active as of August 6, 2026.