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Author: Subject: Missile Defence part 2
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[*] posted on 16-10-2019 at 06:29 PM


AUSA 2019: US Army selects LTAMDS contractor, mum on the choice

Daniel Wasserbly, Washington,DC and Ashley Roque, Washington, DC - Jane's Defence Weekly

15 October 2019

The US Army missed its end of fiscal year (FY) 2019 timeline for picking a single Lower Tier Air and Missile Defense Sensor (LTAMDS) vendor but said it has now decided and hashing out the terms the deal.

Brigadier General Brian Gibson, the head of the army's Air and Missile Defense Cross-Functional Team, announced on 15 October that the service has made its LTAMDS decision and is now in contract negotiations, although he declined to reveal the company selected.

Lockheed Martin, Northrop Grumman, and Raytheon participated in the army's LTAMDS 'sense off' at White Sands Missile Range in New Mexico between May and June, and all told Jane's that they submitted proposals.

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[*] posted on 18-10-2019 at 11:19 AM


Raytheon to Build a New 360 Radar for the US Army Patriot Air Defense Systems

By Tamir Eshel - Oct 17, 2019



LTAMDS uses three AESA arrays to provide complete 360-degree coverage. This image shows the two rear panels sized almost as the main array pointed forward.



The Raytheon Company announced it has been selected to provide the US Army with its next-generation, 360-degree capable radar – known as the Lower Tier Air and Missile Defense Sensor (LTAMDS).

Raytheon’s solution is designed to be fully operable with the U.S. Army’s existing architecture. As such, it will operate on the Army’s Integrated Air and Missile Defense network Battle Command System (IBCS). According to Raytheon’s officials, when the first LTAMDS radar rolls off the assembly line, the Army will be able to turn it on and it’ll connect automatically.

As a 360-degree sensor LTAMDS expands battlespace coverage to detect and engage air and missile threats coming from various directions, not only the forward arc traditionally covered by Patriot systems. Based on Raytheon’s radar design experience, the new system represents a ‘clean sheet’ approach, that enables the new sensor to automatically connect to the network upon deployment, without the need for network or system retrofit or upgrades.

The selection comes after the completion of a ‘Sense-Off’ competition held by the Army, in an effort to accelerate the development and fielding of the Patriot replacement radar and complete a modernization program as early as 2022. Under the current program, Raytheon will develop and supply six radar systems. Fielding plans call for the delivery of additional sensors to equip 15 Patriot battalions through 2031, though the Army maintains the option to evaluate and buy other sensors by that time. During the ‘Sense-Off,’ the Army also evaluated operational radar systems from Northrop Grumman and Lockheed Martin/IAI-Elta.

The vulnerability of sectorial air defense systems was clearly demonstrated by the failure of Saudi Air Defenses to detect and warn of an air attack by Iranian cruise missiles and loitering weapons, that targeted oil refineries in Abqaiq and Khurais in Saudi-Arabia on the night of September 14, 2019. those weapons have flown bypassed the Saudi defenses by coming from the northwest, whereas the air defenses were pointed eastward, toward Iran. Deployment of sensors like LTAMDS is expected to close this gap, replacing the two sectorial covering types with full 360-degree coverage and higher sensitivity that improve the detection of small, agile and low signature targets.
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