Category Archives: Radars

Low-cost effectors

Raytheon Technologies was awarded a $237 million U.S. Army contract for Ku-band Radio Frequency Sensors (KuRFS) and Coyote effectors to detect and defeat unmanned aircraft.

Coyote
As part of the U.S. Army’s Low, slow, small-unmanned aircraft Integrated Defeat System, called LIDS, KuRFS provides advanced 360-degree threat detection, while Coyote low-cost effectors defeat drones

The contract includes a combination of fixed-site and mobile systems as well as a quantity of effectors, designated to support the Army’s U.S Central Command operations.

As part of the U.S. Army’s Low, slow, small-unmanned aircraft Integrated Defeat System, called LIDS, KuRFS provides advanced 360-degree threat detection, while Coyote low-cost effectors defeat drones.

«The KuRFS radar and Coyote effectors effectively detect and defeat unmanned aircraft systems, an increasingly evident and global threat», said Tom Laliberty president of Land Warfare & Air Defense at Raytheon Missiles & Defense. «DS is operationally deployed, providing a proven, reliable, and essential layer of defense against enemy drones».

KuRFS precision targeting radar and the scaled Ku720 mobile sensing radar deliver persistent detection, identification and tracking of airborne threats. The Coyote Block 2 defeats single drones and swarms varying in size and maneuverability, and at higher altitudes and longer ranges than similar class systems.

The U.S. Army’s LIDS integrates KuRFS and the Coyote family of effectors with Northrop Grumman’s Forward Area Air Defense Command and Control system, or FAADC2, and Syracuse Research Corporation’s electronic warfare system. Together, these systems create a multi-mission fixed, relocatable, or mobile deployed system that provides a complete extended-range defense solution.

Raytheon Technologies awarded $237 million counter-UAS contract

Over-the-horizon radar

The U.S. Navy selected Raytheon Technologies, to be the lead systems integrator for the improved maritime enhancements to the relocatable over-the-horizon radar, which will provide long range detection to prevent drugs from entering the United States.

ROTHR
Raytheon Technologies selected as lead systems integrator for maritime over-the-horizon radar

As the lead systems integrator, Raytheon is responsible for integrating the hardware and software of the radar, which includes digital receivers, high power transmitters, advance maritime tracking capability, and advanced clutter mitigation. These capabilities, when combined, will be able to identify and track ships or aircraft up to 3000 kilometers/1864 miles away that may be attempting to bring drugs into the United States.

«As a leading defense integrator with more than 30 years of experience working with over-the-horizon radars, Raytheon Missiles & Defense is uniquely positioned to lead the systems integration for the Maritime capability», said Paul Ferraro, president of Air Power, Raytheon Missiles & Defense. «Across the company, we are continuing to improve our technologies and capabilities to provide next-level solutions and over-the-horizon radars are no exception».

Raytheon is the original equipment manufacturer on the ROTHR system. Since deploying the Relocatable Over-the-Horizon Radar, ROTHR, in the 1990s, for the U.S. Navy, Raytheon Technologies continues to provide key integration, sustainment, operations, and advancements for ROTHR.

E-7 program

Boeing will begin development of two new U.S. variants of the E-7 Airborne Early Warning & Control (AEW&C) aircraft through a $1.2 billion Undefinitized Contract Action.

E-7A AEW&C
An artist’s depiction shows the E-7A AEW&C in flight. The E-7A AEW&C will allow the U.S. Air Force to retain air dominance for decades to come (Boeing image)

The E-7 provides a fully integrated, combat-proven, flexible command and control node that delivers multi-domain awareness in the most challenging operational environments. The E-7’s open systems architecture and agile software design enable the aircraft’s capabilities to evolve and remain ahead of future threats.

«The E-7 is a proven platform», said Stu Voboril, E-7 program vice president and general manager. «It is the only advanced aircraft that is capable of meeting the U.S. Air Force’s near-term Airborne Early Warning & Control requirement while enabling integration across the joint force».

The E-7 tracks multiple airborne and maritime threats simultaneously with 360-degree coverage via the Multi-role Electronically Scanned Array (MESA) sensor. MESA provides the warfighter with critical domain awareness to detect and identify adversarial targets at long range and dynamically adjusts to emerging tactical situations.

Other E-7 operators include the Royal Australian Air Force, Republic of Korea Air Force, Turkish Air Force and the United Kingdom’s Royal Air Force.

The E-7 uses a well-established supply chain which significantly reduces maintenance and logistics costs and increases mission readiness on day one. Converted from the Next-Generation 737-700, the E-7 capitalizes on existing commercial derivative aircraft design, certification and modification processes, allowing E-7s to be fielded to meet Air Force needs.

Reconfigurable Sensor

Northrop Grumman Corporation has successfully moved its first Electronically-Scanned Multifunction Reconfigurable Integrated Sensor (EMRIS), a new ultra-wideband sensor, into integration and test. Northrop Grumman’s sophisticated multifunction sensors, including EMRIS, enable warfighters to accelerate decision timelines and act collectively.

EMRIS
Electronically-Scanned Multifunction Reconfigurable Integrated Sensor (EMRIS) in a Northrop Grumman testing range

«The sensor’s architecture is easily scaled and reconfigurable, including a variety of mounting configurations, for a wide applicability across platforms and domains», said Krys Moen, vice president, advanced mission capabilities, Northrop Grumman. «By developing EMRIS in an open-architecture construct, we can rapidly add new or improved capabilities to increase performance while avoiding redesign. This supports decades of fielded use and continued access to industry best-in-class capabilities for the warfighter».

EMRIS’s fully digital Active Electronically Scanned Array (AESA) utilizes technology from the Defense Advanced Research Projects Agency Arrays on Commercial Timescales (ACT) program combined with government open-architecture standards. By applying the flexibility of a digital AESA, EMRIS can perform functions including radar, electronic warfare and communications simultaneously.

Multifunction apertures consolidate multiple functions into a single sensor, decreasing both the number of apertures needed and the size, weight and power requirements for the advanced capabilities. Sophisticated multifunction apertures like EMRIS can deploy several functions simultaneously. As part of EMRIS’s integration and test phase, Northrop Grumman is demonstrating the ability to quickly leverage technology developed for other programs to adapt multiple fielded capabilities into EMRIS.

EMRIS was designed using common building blocks and software containerization allowing for rapid, cost-effective production. The sensor’s design leverages commercial processes and materials, including 5G tech base, driving down cost and increasing the quality and reliability of the components.

Air Surveillance Radar

The Enterprise Air Surveillance Radar (EASR) antenna landed on the future USS Richard M. McCool Jr. (LPD-29), January 16, 2023.

EASR
Future USS Richard M. McCool Jr. (LPD-29) Successfully Installs EASR Antenna

This marks the completion of EASR system deliveries for what will be the first LPD-17 Class ship and the first U.S. Navy install and activation of the SPY-6(V)2, rotating variant, S-Band radar.

«The progress made is a testament to the collaboration across multiple organizations in bringing this next-generation radar to the LPD program. The U.S. Navy and our industry partners look forward to systems activation and testing as LPD-29 continues on the path to sea trials later this year», said Captain Cedric J. McNeal, Amphibious Warfare Program Manager, Program Executive Office (PEO Ships).

SPY-6(V)2 provides the U.S. Navy with a common hardware variant for carrier and amphibious ships. In addition to providing hardware and software commonality, the radar will also contribute to increased engagement and overall ship self-defense.

As with all incremental technology enhancements, the U.S. Navy is applying an increased focus to ensure that the system is provided on schedule, integrated into the ship/combat system and activated. Ultimately, EASR will be made ready as an integral sensor in an integrated Ship Self-Defense System to support the ship’s employment.

As one of the Defense Department’s largest acquisition organizations, PEO Ships is responsible for executing the development and procurement of all destroyers, amphibious ships, special mission and support ships, boats and craft.

GM200 radar

On Wednesday, 1 February 2023, French defence minister Sébastien Lecornu and his Ukrainian counterpart Oleksiy Reznikov met at the Thales site in Limours, south of Paris, a centre of excellence for air defence in Europe, to sign a contract for the delivery of a complete short-range air defence system, including a Ground Master 200 (GM200) radar, to help protect Ukraine.

GM200 radar
«Thales is proud to be playing a part in the protection of Ukraine, in particular by providing air defence systems», Patrice Caine, Chairman & Chief Executive Officer

As a recognised European leader in systems-of-systems integration, Thales draws on its air defence expertise to help nations guarantee their sovereignty and protect their citizens and territorial interests.

Thales’s air defence technologies provide protection from all types of air threats at all levels of the airspace and cover the entire decision-making chain, from detection and identification to neutralisation.

 

Supporting Ukraine’s air defences

The contract signed by the Ukrainian defence ministry, the French defence ministry and Thales covers the delivery of a complete short-range air defence systems, including a GM200 radar, a command-and-control centre, a radio communications system and air target designators.

The visit to Limours by the two defence ministers included a tour of Thales’s military radar design, production and support facilities.

Today, Thales’s Limours site is recognised as Europe’s largest centre of expertise in the field of air defence.

 

A complete threat detection and protection system for Ukraine

To keep populations and the armed forces safe, threats must be detected as early as possible whenever and wherever they arise – at sea, in the air or on land.

To defeat modern threats, which are more discreet, more manoeuvrable and faster than ever, air defence systems must be capable of detecting and tracking any type of target and providing actionable data on objects in motion in the air, on land or on the surface of the sea.

Thales has long-standing expertise in every aspect of air defence, from drone countermeasures to anti-ballistic missile defence: surface radars, airborne radars, command centres, communication systems and equipment, and different types of effectors.

The GM200 and the other surface radars in the Ground Master family offer an effective response to the types of threats faced by Ukraine, which include drones and long-range threats such as cruise missiles, helicopters and combat aircraft.

As a recognised European leader in systems integration, Thales has the capability to integrate air defence systems-of-systems and to manage compatibility with other defences, which is a real advantage for users needing to deploy their assets quickly and efficiently.

Next Generation Radar

Northrop Grumman Corporation is developing AN/APG-85, an advanced Active Electronically Scanned Array (AESA) radar for the F-35 Lightning II. Northrop Grumman currently manufactures the AN/APG-81 Active Electronically Scanned Array (AESA) fire control radar, the cornerstone to the F-35 Lightning II’s sensor suite.

AN/APG-85
Northrop Grumman is developing the next generation radar for the F-35 Lightning II (Credit: Northrop Grumman)

The AN/APG-85 is an advanced multifunction sensor that will be compatible with all variants of the F-35 Lightning II aircraft and will be capable of defeating current and projected adversarial air and surface threats.

The development and integration of APG-85 will incorporate some of the latest technologies available and help ensure air superiority. This advanced sensor will provide unparalleled battlespace situational awareness that translates into platform lethality, effectiveness and survivability.

Northrop Grumman plays a key role in the development, modernization, sustainment and production of the F-35 Lightning II. In addition to producing the AN/APG-85 and AN/APG-81 radars, the company manufactures the center fuselage and wing skins for the aircraft, produces and maintains several sensor systems, avionics, mission systems and mission-planning software, pilot and maintainer training systems courseware, electronic warfare simulation test capability, and low-observable technologies.

TPY-4 Radar

On November 17, 2022 the Royal Norwegian Air Force selected the Lockheed Martin TPY-4 next generation ground-based air surveillance radar to enhance the country’s long-range surveillance capability.

TPY-4 Radar
Royal Norwegian Air Force Selects the Lockheed Martin TPY-4 Radar to Enhance Homeland Defense

«We are grateful to be selected to help protect the safety of Norwegians. The TPY-4 is a continued advancement of our 21st Century Security vision supporting joint all domain operations for the United States and its allies», said Chandra Marshall, vice president of Radar and Sensor Systems at Lockheed Martin. «Norway joins the U.S. Air Force as our first NATO partners for the TPY-4 radar, and we look forward to offering this radar to solve evolving challenges of international partners».

The radar can be adapted to new missions via simple software enhancements without any architectural or hardware changes. The TPY-4 radar can identify and track smaller threats at longer ranges than ever before. This multi-mission system will integrate seamlessly into existing air defense systems and can operate in contested environments.

«The threats that air defence radar has to counter are increasing and enhanced operational requirements call for more capable radars, including detection of small targets at longer ranges, enhanced electronic protection measures and target tracking. The TPY-4 radar will provide the people of Norway with the confidence of 24/7/365 homeland security for decades to come», stated Øyvind Kvalvik, Major General and Head of Acquisitions at the Norwegian Defence Material Agency (NDMA). «This replacement initiative is of utmost importance to our nation, and we are excited to add this radar to our defence system».

Norway’s TPY-4 radars will be integrated into Lockheed Martin’s active production line, making this a low-risk option for the Norwegian Defence Material Agency. In March, the U.S. Air Force selected the TPY-4 radar system for its Three-Dimensional Expeditionary Long Range Radar program.

Norwegian industry has been a crucial partner in the development of the TPY-4 radar. Lockheed Martin leveraged an extensive Norwegian supplier-base for this radar system. In particular, the relationship with KONGSBERG Defense & Aerospace resulted in the production of the first TPY-4 which included the Platform Electronics SubSystem (PES) built by KONGSBERG, a critical element in the foundation of this next generation sensor that meets and exceeds current customer requirements for long-range surveillance.

«Our strong relationship with Lockheed Martin exemplifies the importance of building durable and trusted partnerships to serve both national and international customers. Together we will deliver world-class products within radar technology to the Norwegian Armed Forces. This contract is not only important for us as a strategic partner for the Norwegian Armed Forces but also for our subcontractors in Norway», says Eirik Lie, president of KONGSBERG.

TPY-4
The TPY-4 radar offers advanced early warning and air command and control capabilities

The TPY-4 radar has significant commonality with the U.S. Army’s new Sentinel A4 radar, which will replace the Sentinel A3.

 

Radars for 21st Century Security

Lockheed Martin continues to invest in advancing digital radar capabilities to meet evolving threats faced by nations worldwide. The TPY-4 radar is part of Lockheed Martin’s ongoing efforts to leverage proven technology for long-range air surveillance radars.

Lockheed Martin’s high-performing, high-reliability, solid-state radar systems specialize in counter target acquisition, early warning, situational awareness, and integrated air and missile defense. It’s why Lockheed Martin’s ground-based radars are the choice of more than 30 nations on six continents.

Radars for 21st Century Security
Next Generation Multi-Mission Radar

 

Radar Features

Radar Type: 3D Element Based Digital Active Electronically Scanned Array (AESA) with Gallium Nitride (GaN)

  • Digital at Every Element
  • Software Defined Radar

Frequency: L-Band (1215 to 1400 Mhz)

Rotation Rate: Various and Stop/Stare

Simultaneous Multi Mission Operation

  • Air Surveillance
  • Low Profile Unmanned Aerial Systems (UAS) Detection
  • Ballistic Missile Search and Dedicated Track
  • Maritime Surveillance
  • Satellite Track

Mode 5 Capable

Transportable via C-130 Hercules, C-17 Globemaster III, Truck, Rail or Helicopter

Operation in Extreme Environments

Radar Features
Next Generation Radar for Next Generation Threats

 

Radar Coverage

Operation Mode 6 Revolutions Per Minute (RPM) Stop / Stare
Azimuth 360° +/- 45°
Range 300 NMI, 345 miles/555 km 540 NMI, 621 miles/1000 km
Height 100 kft, 30.5 km
Search Elevation -6° to 38°
Track Elevation -6° to 90°
Lockheed Martin TPY-4 Radar
Radars for 21st Century Security

Airborne Early Warning

Northrop Grumman Corporation’s first Multi-role Electronically Scanned Array (MESA) sensor was successfully installed on an E-7 Wedgetail Mk1 Airborne Early Warning & Control (AEW&C) aircraft for the UK’s Royal Air Force. Equipped with the MESA sensor the UK’s Wedgetail fleet will be strengthened with an airborne sensing capability at longer ranges, enabling critical early warning, surveillance and air battle management functionality.

E-7 Wedgetail Mk1 AEW&C
Northrop Grumman’s Multi-role Electronically Scanned Array (MESA) sensor has been installed on an E-7 Wedgetail Mk1 Airborne Early Warning & Control (AEW&C) aircraft for the UK’s Royal Air Force (Photo Courtesy of Boeing)

«Northrop Grumman’s in-service, combat-proven MESA system already provides mission crews with advanced Airborne Moving Target Indication (MTI) capability to support NATO assurance missions against evolving threats», said Jack Hawkins, director, MESA, Northrop Grumman. «This advanced MTI will enhance UK forces’ ability to simultaneously detect, track and identify airborne and maritime adversary targets at long range, while maintaining continuous surveillance of the operational area».

Utilizing an active production line, Northrop Grumman’s MESA sensor provides warfighters with critical domain awareness in all weather conditions. With the flexibility to adapt to missions, threats and environments, this modern Airborne Electronically Scanned Array (AESA) sensor provides 360-degree situational awareness and can be optimized so operators can focus on priority missions, rapidly revisit targets, and pass relevant information to enable timely command and control decisions, and engagement of threats at long ranges.

Australia, Turkey and South Korea have fielded AEW&C systems, with production underway on the second and third systems for the UK’s E-7 Wedgetail AEW&C aircraft.

Counter-UAS Mission

The U.S. Army’s AN/TPQ-53 (Q-53) Multi-Mission Radar (MMR) successfully integrated with an Army command and control system and provided tracking data to launch a Counter Unmanned Aerial System (C-UAS) defeat system in Yuma, Arizona. The rapidly deployable Q-53 radar, which is ideal for the C-UAS mission, is developed and manufactured by Lockheed Martin in Syracuse, New York.

AN/TPQ-53 (Q-53) MMR
U.S. Army’s Q-53 Multi-Mission Radar Demonstrates Counter-UAS Mission

During the exercise, the Q-53 integrated with the Forward Area Air Defense Command and Control (FAAD C2) system to serve as the primary fire control source for the Coyote Block 2 C-UAS defeat system during testing in Yuma.

«The Q-53 radar has a long history of exceeding Army requirements and adapting to their evolving missions. This recent testing milestone reflects our ongoing commitment to enhance and upgrade the system capability», said David Kenneweg, program director, Lockheed Martin Army Radars. «The Army’s Q-53 MMR can enhance air surveillance capabilities and integrate with C2 systems and broader weapon systems, enabling Soldiers to detect threats and make decisions faster».

Lockheed Martin has delivered 195 Q-53 radars to the Army and international partners. The Q-53 detects, classifies, tracks and determines the location of enemy indirect fire such as mortars, rockets and artillery, and its mission continues to expand to other emerging threats.

 

Modernization for 21st Century Security

The Q-53 radar has high reliability and its performance drives the Army’s desire to modernize the radar and continue to expand the system’s mission requirements. In July 2021, the U.S. Army awarded Lockheed Martin a significant follow-on contract to demonstrate the ability of the Q-53 radars to enhance future capability and maintain superior performance over peer and near-peer adversaries.

These enhancements enable increased radar performance in challenging operating environments. Upgrades include support for Long Range Precision Fires and Air and Missile Defense missions. The Q-53 capabilities are key enablers for these missions and represent continued dedication to the advancement of technology in this space.