The Department of Homeland Security is seeking market research on technical capabilities to transfer precise time over long-haul fiber, independent of GPS and traceable to national standards. Responses must demonstrate capability to fulfill tasks in the attached draft Statement of Work, or propose a teaming arrangement to meet all requirements. No submission timeline or budget amount is specified in the description. The location for performance of services is not mentioned. This opportunity is for businesses interested in providing resilient, scalable time transfer solutions for end-users.