The Department of Defense, specifically the Department of the Army, is announcing an upcoming Request for White Papers for the Next Generation Mounted APNT Capability (NorthStar) program, managed by the Project Manager Positioning, Navigation, and Timing (PM PNT). This initiative aims to develop adaptive Positioning, Navigation, and Timing (PNT) solutions that can operate effectively in various environments, addressing the challenges posed by adversary interference with GPS-dependent systems and enhancing sustainment through commonality across Army platforms. Interested vendors are required to submit a security questionnaire to access updated program materials, which will be available until February 28, 2025; eligibility criteria include SAM registration and necessary security clearances. For further inquiries, interested parties can contact Tom Korzon at thomas.w.korzon.mil@army.mil or Corrie James at corrie.l.james.ctr@army.mil.