A British surveillance aircraft system, controversially scheduled for an early retirement in Parliament’s 2010 defense review, is getting a new lease on life. The Royal Air Force’s airborne stand-off radar (Astor) system is based around five Sentinel R1 aircraft. The Bombardier Global Express business jets are equipped with a dual-mode ground moving-target indicator (GMTI) and synthetic aperture radar (SAR) by prime contractor Raytheon. The aircraft had been scheduled for a ...

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