Assured Positioning, Navigation and Timing (PNT)
Abstract
Assured Positioning, Navigation and Timing (PNT) will provide the Army's ground maneuver forces access to trusted PNT information under conditions where space-based PNT Global Positioning System (GPS) may be limited or denied. Joint Requirements Oversight Council Memo (JROCM) 049-10, dated 05 Apr 2010, approved the Positioning, Navigation and Timing Assurance Initial Capabilities Document and designated the Army as the Lead Component for Assured PNT. The Material Development Decision (MDD) was approved on 30 Jul 2013. The Assured PNT draft Capabilities Development Document was validated by the Army Requirements Oversight Council (AROC) on 28 Jul 2014. PNT is a critical enabler of many Army systems. The current GPS capability is a fixed frequency system vulnerable to current and emerging threats and field conditions, which means Warfighter assured access and integrity to PNT is not guaranteed. This situation degrades mission performance to an unacceptable level. Therefore, current Army systems cannot operate at the required PNT Assurance Levels with GPS alone. Assured PNT is a system of systems consisting of one project (ED5) Assured PNT and four separate and interdependent PNT products; (EH8) Dismounted A-PNT System, (EH9) Pseudolite, (EJ2) Mounted A-PNT System, and (EJ3) Anti-Jam Antenna System (AJAS). These interdependent PNT products assure access to and integrity of PNT information. Each system provides a degree of standalone capability, but only when deployed together can Assured PNT be achieved in all environments and across all formations and warfighting functions. Program Manager (PM) PNT manages these four products (Dismounted A-PNT System, Pseudolite, Mounted A-PNT System, and AJAS) constructed to develop, test, field, and sustain the A-PNT materiel solution. The final contracting strategy is under development. Assured PNT consists of: (ED5) - The Assured PNT funding line originally represented the entire program prior to breaking into four funding lines. The FY17-FY22 funding now includes PNT System of Systems Architecture (SOSA) Testing and Resiliency and Software Assurance Modification (RSAM) to legacy GPS systems. (EH8) - The Dismounted Assured Positioning, Navigation and Timing (PNT) System is a Size, Weight, Power, and Cost (SWAP-C) optimized military Global Positioning System (GPS) and non-GPS sensor suite that acquires and distributes trusted PNT data to soldier-borne systems. (EH9) - The Pseudolite system provides area protection and PNT Assurance in GPS denied environments by providing terrestrial radio navigation (GPS-like) service in electronically or physically challenged environments using a higher power signal. (EJ2) - The Mounted Assured PNT System fuses military GPS with physics based sensors and timing technology to acquire and distribute secure trusted PNT data to tactical client systems on vehicular and watercraft platforms. (EJ3) - The Anti-Jam Antenna Systems (AJAS) provides GPS signal point protection and PNT Assurance in challenged environments through anti-jam technologies. AJAS enables tactical capabilities through assured signal acquisition in challenged environments. FY 2018 Base funds in the total amount of $164.967 million are provided to continue the development of the Assured PNT program. The ED5 funding line accounts for $23.991 million for PNT System of Systems Architecture (SOSA) Testing, Resiliency and Software Assurance Modification (RSAM) and enhancements of Army PNT capabilities. The EH8 funding line accounts for $14.423 million to support risk reduction efforts for the Dismounted A-PNT System. The EH9 funding line accounts for $79.230 million for the continuation of the Technology Maturation and Risk Reduction phase for Pseudolite. The EJ2 funding line accounts for $35.300 million to support risk reduction efforts for the Mounted Assured PNT System. The EJ3 funding line accounts for $12.023 million to support risk reduction efforts for the AJAS.
Document Details
- Document Type
- R2 Budgetary Justification
- Publication Date
- Oct 01, 2018
- Source ID
- 0604120A_4_2040_PB_2018
- Change Summary Explanation
- FY 2016 reduction of $1.900 million reflects realignment of funding to higher priority requirement for Anti-Personnel Landmine Alternatives. FY 2018 Base funds increased by $56.120 million in order to support the continuation of the Pseudolites Technology Maturation and Risk Reduction (TMRR) phase. In addition, the funding supports the risk reduction efforts for all four Assured PNT products (Dismounted A-PNT System, Pseudolite, Mounted A-PNT System and Anti-Jam Antenna).
- Service Agency Name
- Army
Entities
Organizations
- United States Army
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