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13 septembre 2013 5 13 /09 /septembre /2013 11:20
US Air Force to buy additional RQ-4 Global Hawk Block 30s

September 12th, 2013 By Zach Rosenberg – FG


Washington DC - 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.


"Against AF [Air Force] recommendations, AF was directed in the FY13 NDAA [National Defense Authorization Act] to procure the GH [Global Hawk] Block 30 Lot 11 aircraft (3)--so we are," says a senior Air Force official, who requested anonymity. "Per our assessment, the current fleet of 18 GH Block 30 aircraft is sufficient to meet the required demand for high-altitude ISR support--and when delivered, the additional 3 aircraft will be "excess to need" and will very likely be designated as backup aircraft inventory (or attrition reserve)."

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6 mai 2012 7 06 /05 /mai /2012 07:25
US House committee presses air force on Global Hawk

26 Apr 2012 By Zach Rosenberg - FG


Washington DC - The House Armed Services Committee has made the first move to reverse the US Air Force's controversial decision to retire the Northrop Grumman RQ-4 Global Hawk Block 30 fleet.


The committee's panel on tactical air and land forces passed an amendment that would prevent the USAF from spending taxpayer funds on efforts to retire the RQ-4 Block 30s, an imagery and signals intelligence gathering version of the Global Hawk family.


The panel's recommendation signals the beginning of a legislative battle with the Obama administration over the fate of the Block 30 fleet. Three more committees in the House and Senate must still pass separate versions of spending bills for the next fiscal year.


The Obama administration submitted a budget request in February that proposes to retire the Block 30 fleet.


The Block 30 was built to replace the venerable Lockheed Martin U-2 as a high-altitude reconnaissance aircraft, but the programme was cancelled after the USAF concluded that it was significantly more expensive to operate than the U-2, and that the Block 30's sensors are inferior to the U-2's current equipment.


Since the retirement announcement in January 2012, Northrop has kept a full-court press in an attempt to keep the aircraft in service. Intelligence, surveillance and reconnaissance (ISR) capabilities such as those the Global Hawk provides are among the most demanded services by combat commanders.


"Northrop Grumman is pleased that the House Armed Services Committee has proposed a solution that will allow Global Hawk Block 30 assets to continue to provide Combatant Commanders with information essential to national security," says Northrop.


Construction of other Global Hawk models, including the Block 40 (carrying a different sensor) and MQ-4C broad area maritime surveillance (BAMS) for the US navy, is unaffected.

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