USAF places order for additional RQ-4 Global Hawk UAVs

Northrop Grumman has received an advance procurement contract from the(USAF) in preparation for production of additional RQ-4 Global Hawk unmanned aircraft.
The contract covers advance procurement of long lead items for three Block 30 UAS, including three enhanced integrated sensor suites, three airborne signals intelligence payload (ASIP) and two ASIP retrofit kits for installation on previously acquired drones.
The remotely piloted UAV has been used by USAF during wars in Iraq, Afghanistan and Libya, in addition to supporting intelligence gathering and reconnaissance efforts after the earthquakes in Haiti and Japan.
Global Hawk is also being used by NASA for scientific and environmental research projects.
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