to develop the architecture, supported by PD PNT, the HQDA chief information officer/G-6, the U.S. Army Training and Doctrine Command and many others, including participants in the Common Operating Environment (COE). Assured PNT spans each of the COE’s comput- ing environments. Army programs will undergo a compliance assessment and evaluation as part of the entrance criteria for milestone decisions starting in FY16.
Tere are various materiel solutions under development that incorporate the PNT SoSA, including the Defense Advanced GPS Receiver (DAGR) Distributed Device (D3) and the Assured PNT pro- gram. Te D3, a functional replacement for the DAGR, replaces up to eight GPS devices on a platform and is upgradable to M-code. Te advantages of the D3 include both platform distribution and an affordable upgrade path to M-code. Te D3 on Stryker, the Army’s lead platform for the Military GPS User Equipment program, is scheduled to be installed on multiple ground platforms, including the Stryker and Armored Knight.
Te Assured PNT program focuses on providing resilient, robust PNT in a scal- able architecture that can span various levels of protection, or PNT assurance levels. Tis scalable architecture enables the Army to avoid overbuying the capabil- ity, as a BCT can be scaled to the required level of PNT assurance; only certain units will require the highest levels of resilience. Te Assured PNT program consists of four subprograms that comprise a family of systems required for resilience:
• Pseudolites, or pseudo-satellites, which provide an alternate signal that can be used to increase resilience for area protection.
• Mounted PNT, which provides a scalable architecture for mounted
SETTING COURSE
SPC Christopher Quimbaya, a paratrooper assigned to 1st Battalion, 503rd Infantry Regiment, 173rd Infantry Brigade Combat Team (Airborne), uses the DAGR during a combined-arms live- fire exercise at Grafenwoehr, Germany, March 28, 2014. The DAGR D3, a replacement for the DAGR, is one of several solutions under development that incorporate the PNT SoSA. (U.S. Army photo by Markus Rauchenberger)
platforms, with technology enablers including GPS, CSAC for accurate time, inertial measurement units for self-referenced position, and an open architecture that allows the integration of other PNT enablers at any time.
• Dismounted PNT, which follows the same concept, except for the Soldier platform.
• Antijam, which includes technologies and devices that allow for blocking of threat signals while enabling a focus on valid PNT signals.
Each of these subprograms is leveraging competitive prototyping and structured testing to drive innovation as the Army shifts to assured PNT solutions.
CONCLUSION Ingenuity and innovation are returning to the forefront for PNT, from tapping into
the dynamics of the atom with
CSAC for self-referenced timing to finan- cial economies from platform distribution of PNT information. Te implementa- tion of the PNT SoSA will provide a framework for efficiencies and resilience across Army systems, and the fielding of Assured PNT capabilities will provide the best PNT service to our most important customer—the Soldier.
For more information, go to https://www.
pdpnt.army.mil/.
MR. KEVIN COGGINS is the PD for PNT, with PEO IEW&S. He has a B.S. in electrical engineering from the University of Florida and is pursuing an M.S. in program management from the Naval Postgraduate School. He is Level III certified in program management and in systems planning, research, development and engineering, and is a member of the Army Acquisition Corps.
ASC.ARMY.MIL 89
SCIENCE & TECHNOLOGY
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