NTS-3

Navigation Technology Satellite – 3 (NTS-3) will demonstrate the value of multilayer resiliency and on-orbit test critical technologies designed to defeat the threat that contested, degraded and denied PNT poses to our national security.

Threats To PNT

PNT technology supports everything from combat aircraft, warships and weapons systems, to individual soldiers on the ground – making it a prime target for adversaries.

As a result, U.S. and allied forces need a PNT system designed to stay ahead of and quickly address dangerous adversary attempts to disrupt, deny access to and/or spoof U.S. assets with misleading information.

U.S. soldier observing topographical data on a computer monitor. Image source: Shutterstock https://www.shutterstock.com/license

About NTS-3

The NTS-3 Vanguard is the first U.S. integrated satellite positioning, navigation and timing (PNT) experiment in almost 50 years. It will provide an on-orbit demonstration of game-changing PNT technologies and techniques in the space, ground control and user equipment system segments.

U.S. soldier in the field using a communication device. Image source: Shutterstock https://www.shutterstock.com/license

L3Harris' Role

L3Harris is the prime contractor of NTS-3 responsible for the design, development, integration and test of the NTS-3 space vehicle. We are also responsible for supporting launch vehicle integration, integration with the control and user segments and on-orbit operations. In addition, L3Harris will deliver novel ground mission applications for the cloud-based, Enterprise Ground Services (EGS)-compatible ground control system. Together with Air Force Research Laboratory (AFRL)-developed reprogrammable, software-defined user equipment, this system demonstrates a multilayer, robust and resilient geosynchronous (GEO) augmentation to GPS to ensure U.S. freedom of operations in air, space and terrestrial domains.

L3Harris employee working on NTS-3. Image source: L3Harris Technologies, Inc. /

NTS-3 in action

Related NTS-3 Articles

NTS-3 Transforming Positioning, Navigation and Timing (PNT) for the 21st Century

Editorial | 04. 17. 2023

L3Harris Prepares Next-Generation NTS-3 Satellite for Launch in 2023

L3Harris’ revolutionary PNT satellite is completing testing with the U.S. Air Force Research Lab (AFRL) in preparation for more than 100 experiments in space, which will shape the future of U.S. space-based military PNT capabilities and prove critical technologies engineered to defeat the threat that contested, degraded and denied PNT poses to our national security.

Editorial | 04. 17. 2023

L3Harris Prepares Next-Generation NTS-3 Satellite for Launch in 2023

Editorial | 06. 23. 2022

NTS-3: Transforming PNT for the 21st Century Warfighter

Press release | 08. 24. 2021

L3Harris Expands Satellite Production Site, Adds Unclassified Satellite Line for National Defense

Press release | 08. 03. 2020

L3Harris Technologies Clears Critical Design Review for Experimental Satellite Navigation Program

Press release | 02. 05. 2020

L3Harris Technologies Passes Preliminary Design Review for Experimental Satellite Navigation Program

Related PNT Capabilities

Global Positioning System Payloads

L3Harris payloads and components have been on board every U.S. GPS satellite—more than 70 missions since the 1970s.

M-Code Navigation Solutions

GPS Operational Control System

M-Code Type I

M-Code Type II

N202 Series GPS CRPA

N201 Series Conformal GPS CRPA

N100-6 GPS Antenna

C146 Series GPS Antenna

N203 Series Conformal GPS CRPA

SE100 GPS / Telemetry Nosecone Antenna System

AS-48917 GPS Band Omnidirectional Antenna

N100-3 Series GPS Antenna

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NTS-3

NTS-3

Navigation Technology Satellite – 3 (NTS-3) will demonstrate the value of multilayer resiliency and on-orbit test critical technologies designed to defeat the threat that contested, degraded and denied PNT poses to our national security.

Threats To PNT

About NTS-3

L3Harris' Role

NTS-3 in action

Related NTS-3 Articles

L3Harris Prepares Next-Generation NTS-3 Satellite for Launch in 2023

L3Harris Prepares Next-Generation NTS-3 Satellite for Launch in 2023

NTS-3: Transforming PNT for the 21st Century Warfighter

L3Harris Expands Satellite Production Site, Adds Unclassified Satellite Line for National Defense

L3Harris Technologies Clears Critical Design Review for Experimental Satellite Navigation Program

L3Harris Technologies Passes Preliminary Design Review for Experimental Satellite Navigation Program