Sentinel air-defence radar to receive M-Code capability

by Carlo Munoz

Lockheed Martin and Orolia Defense & Security will begin integrating mission timing and synchronisation units, capable of transmitting via Military Code (M-Code) signal, into the US Army's Sentinel A4 air and missile defence radar system.

Officials from Orolia delivered the initial shipment of M-Code-enabled SecureSync rack-mounted synchronisation platforms to Sentinel prime integrator Lockheed Martin in May, for implementation into the newest tranche of Sentinel A4 air defence radar systems. “SecureSync with M-Code provides enhanced resilient positioning, navigation, and timing [PNT] capabilities and improved resistance to existing and emerging GPS threats, such as jamming and spoofing,” according to a statement issued by Orolia.

Traditional Assured-Positioning, Navigation, and Timing (A-PNT) and Global Positioning System (GPS) subsystems on military platforms operate predominantly on Selective Availability Anti-Spoofing Module (SAASM)-enabled GPS PNT capabilities. At its core, SAASM capabilities consist of an enhanced security architecture for GPS signal transmission, which is designed to encrypt and decipher signals via ‘over-the-air' rekeying of signal receivers.

An image of the Lockheed Martin-built Sentinel A4 radar enabled with Orolia's M-Code-capable PNT solution. (Lockheed Martin)


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Netherlands, Poland approved for AARGM-ER SEAD/DEAD missiles

by Gareth Jennings

An AARGM-ER seen being test fitted into the internal weapons bay of an F-35 combat aircraft. The US has approved the sale of the missile to both the Netherlands and Poland. (Northrop Grumman)

The US government has approved the sale of the Northrop Grumman AGM-88G Advanced Anti-Radiation Guided Missile – Extended Range (AARGM-ER) to the Netherlands and Poland.

Announced by the US Defense Security Cooperation Agency (DSCA) on 24 April, the approvals cover 265 of the suppression of enemy air defences/destruction of enemy air defences (SEAD/DEAD) missiles for the Netherlands for approximately USD700 million, and 360 missiles for Poland for approximately USD1.275 billion. Both approvals cover related equipment, training, and support.

“The proposed sale will improve the Netherlands'/Poland's capability to meet current and future threats by strengthening its self-defence capabilities to suppress and destroy land- or sea-based radar emitters associated with enemy air defences. This capability denies the adversary the use of its air-defence systems, thereby improving the survivability of the Netherlands'/Poland's tactical aircraft,” the DSCA said of both approvals.


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Brazilian Army seeks 12 UH-60M Black Hawk helicopters

by Victor Barreira

A Brazilian Air Force UH-60L Black Hawk. The Brazilian Army is set to replace its HM-2 Black Hawk fleet with newer examples. (Leandro Maldonado)

The Brazilian Army is to acquire 12 Sikorsky UH-60M Black Hawk utility helicopters to replace its eight HM-3 Cougar and four HM-2 Black Hawk helicopters, said Army Commander General Tomás Miguel Miné Ribeiro Paiva during a 17 April presentation to the Brazilian Committee on Foreign Relations and National Defense.

Gen Tomás noted that the fleet is to be purchased through the US Foreign Military Sales (FMS) programme and entails purchasing surplus helicopters, which will be refurbished before transfer to the Brazilian Army Aviation Command (CAvEx).

The acquisition is being carried out as part of the Army Strategic Program Army Aviation (Prg EE Av Ex). The phasing out of the Cougar and Black Hawk helicopters was approved in December 2023.

The HM-3 is fielded by the 2nd Army Aviation Battalion and the 3rd Army Aviation Battalion, and the HM-2 is deployed by the 4th Army Aviation Battalion.


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Brazil to update A-29 Super Tucano aircraft fleet

by Victor Barreira

A Brazilian Air Force Embraer EMB 314 Super Tucano light attack/counter-insurgency aircraft. The details of Brazil's fleet upgrade are as yet undisclosed. (Janes/Gareth Jennings)

Embraer Defense and Security is to carry out the mid-life upgrade (MLU) of 68 of the EMB 314 (locally designated A-29) Super Tucano training and light attack aircraft of the Brazilian Air Force, the service's commander Lieutenant Brigadier Marcelo Kanitz Damasceno said on 17 April during a presentation to the Brazilian Committee on Foreign Relations and National Defense.

The MLU is intended to extend the lifespan of the aircraft by up to 25 years, Lt Brig Damasceno said, and follows a June 2023 agreement between Embraer and the Brazilian Air Force to study a technological refresh of the Super Tucanos, although details were not disclosed.

Brazil purchased 25 A-29A and 51 A-29B aircraft in 2001, adding eight A-29As and 15 A-29Bs in 2005. The fleet was received between 2003 and 2012.

For more information, please seeEmbraer sees market for 490 Super Tucanos .


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https://www.janes.com/defence-news/c4isr-command-tech/latest/sentinel-air-defence-radar-to-receive-m-code-capability

Lockheed Martin and Orolia Defense & Security will begin integrating mission timing and synchronisat...

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