Multimedia Release -- Two Global Hawk Unmanned Aircraft Fly in Close Formation, Move AHR Program Closer to Autonomous Aerial Refueling
SAN DIEGO, Oct. 5, 2012 (GLOBE NEWSWIRE) -- Northrop Grumman Corporation (NYSE:NOC), the Defense Advanced Research Projects Agency (DARPA) and NASA Dryden Flight Research Center have successfully completed a series of flight demonstrations, moving DARPA's Autonomous High-Altitude Refueling (AHR) program closer to demonstrating the first autonomous aerial refueling between two unmanned, high-altitude aircraft.
Photos and video accompanying this release are available at http://www.globenewswire.com/newsroom/news.html?d=10007491.
The flights, which used two NASA Global Hawk unmanned aircraft – one configured as a tanker and the other as a receiver – were conducted at Edwards Air Force Base, Calif.
During the flights, which spanned Jan. 11 to May 30, the AHR team achieved many milestones, including:
"The technical developments that enabled these two high-altitude, long-endurance unmanned Global Hawks in close formation is an outstanding accomplishment for the AHR program," said Fred Ricker, vice president and deputy general manager for Northrop Grumman Aerospace Systems' Advanced Programs & Technology. "Coupled with the advanced design and technical implementation of aerial refueling systems on board both aircraft, the demonstration has truly brought a concept to life, which has the potential to change the operations for unmanned aircraft utility and enable mission flexibility never before realized."
Northrop Grumman and NASA Dryden Flight Research Center conducted several demonstration flights in the buildup to the close formation flight, which included tanker and receiver first flights and a distant formation flight. The Northrop Grumman-NASA-DARPA team worked closely to ensure that all safety precautions and measures were taken when preparing for and conducting all of the ground and flight demonstrations. Preparation included a calculated approach to ground and flight tests, which included extensive analysis, simulations, laboratory and ground tests as well as multiple safety review boards.
The $33 million DARPA AHR program aims to demonstrate autonomous fuel transfer between two Global Hawks, enabling flights of up to one week endurance. AHR is a follow-on to a 2006 DARPA Autonomous Aerial Refueling Demonstration (AARD), a joint effort with NASA Dryden that used an F/A-18 Hornet as a surrogate unmanned aircraft to autonomously refuel via a probe and drogue from a 707 tanker.
As part of the U.S. Navy's Unmanned Combat Air System Carrier Demonstration program, Northrop Grumman is also developing AAR technology to help extend the operating range and flight duration of future carrier-based unmanned systems. The company plans to conduct AAR demonstrations in 2014 using the Navy's X-47B unmanned demonstrator aircraft.
In partnership with NASA in the Space Act Agreement, Northrop Grumman supports the operations and maintenance of the two Global Hawks used in the AHR program and is responsible for all engineering design, as well as modification of both aircraft.
Northrop Grumman is a leading global security company providing innovative systems, products and solutions in aerospace, electronics, information systems, and technical services to government and commercial customers worldwide. Please visit www.northropgrumman.com for more information.
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Autonomous High-Altitude Refueling Program