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The US Air Force has issued a pre-solicitation notice to purchase additional Northrop Grumman RQ-4 Global Hawk Block 30 unmanned air vehicles (UAV), despite the potential retirement of the existing fleet.
The Air Force released a pre-solicitation notice on 12 September, notifying the public of its intent to buy Lot 12 aircraft.
The Block 30, initially purchased to augment and eventually replace the Lockheed Martin U-2 as a high-altitude intelligence, surveillance and reconnaissance (ISR) aircraft, has come under fire for reliability and sensor problems. A low rate of mission readiness coupled with the high cost of operation has led the USAF to repeatedly attempt to cancel the programme, saying that the U-2 and a classified platform could fulfill Global Hawk's mission. The sensors Global Hawk carries, the Enhanced Imagery Sensor Suite (EISS) and Airborne Signals Intelligence Payload (ASIP), received mixed reviews.
And here we have the next chapter. Despite the Air Force wanting to retire all of the Global Hawks from their fleet, Rolls Royce just won a $49M contract to set up a depot facility at Tinker AFB for the AE 3007H engines that power the aircraft.
reply to post by Astr0
It could be the "Super Sentinel". That engine is a pretty decent engine for its size, but I'm not sure on the specs for it, so I'm not sure if it would use the same engine or not.