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SAR incorporated on Fire Scout for UK's WATCHKEEPER programme
The sector has completed the integration and end-to-end air vehicle/payload testing of a General Atomics' all-weather, high-resolution, tactical synthetic aperture radar/moving target indicator (SAR/MTI) on the company's production-configured Fire Scout vertical takeoff and landing tactical UAV. The milestone is part of a larger WATCHKEEPER integration effort designed to demonstrate a tactical SAR payload on a rotary wing UAV.The effort, which began in mid-March, includes all design and analysis tasks, subassembly fabrication, aircraft modifications, system integration and flight test demonstration for combined SAR/MTI and electro-optical/infrared (EO/IR) surveillance, reconnaissance and targeting operations. "This installation demonstrates the flexibility of the Fire Scout to accommodate new payloads and multiple sensor operations on a single tactical UAV," said Tom Soard, Northrop Grumman's Fire Scout programme manager."It's one of the characteristics that makes it a desirable, low-risk solution for meeting the UK's intelligence, surveillance, target acquisition and reconnaissance needs." Northrop Grumman shipped the Fire Scout air vehicle to Naval Air Station, Patuxent River, Md., June 11 for system ground testing and flight test demonstration of the SAR/MTI and EO/IR/laser designator rangefinder (LDRF) payloads scheduled for later this month. The goals of the current WATCHKEEPER task are to demonstrate that the SAR/MTI payload performance is not degraded by installation on a rotary-wing vehicle; display and record SAR imagery at the Fire Scout ground control station; demonstrate ground moving target indicator functionality;and simultaneously operate the baseline Fire Scout EO/IR/LDRF and the SAR/MTI payloads during missions. The equipment installed by Northrop Grumman includes the General Atomics' AN/APY-8 gimbaled antenna assembly, radar electronics assembly, independent global positioning system, and a Northrop Grumman-designed-and-qualified SAR/MTI interface unit (SIU).The SIU enables the control of the SAR/MTI payload via the existing Fire Scout tactical command data link with minimal modifications to other air vehicle systems. WATCHKEEPER is a new network-enabled unmanned system being developed by the U.K. Ministry of Defence.It will provide an integrated image intelligence, targeting and exploitation capability to meet the critical information needs of U.K. commanders and warfighters.Northrop Grumman is evaluating several unmanned systems to meet the requirements of the WATCHKEEPER systems architecture, including the US Navy's RQ-8A Fire Scout system.Fire Scout is currently in the flight test phase of engineering and manufacturing development, and the delivery phase of low-rate initial production.
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Northrop Grumman said at the Paris Air Show that its Integrated Systems sector had reached a significant milestone for the United Kingdom's WATCHKEEPER unmanned air vehicle (UAV) programme.