From Aviation Week:PALMDALE, Calif. Northrop Grumman will begin acceptance tests on the first Euro Hawk variant of the RQ-4 Global Hawk unmanned aerial vehicle (UAV) following its official rollout at Palmdale, Calif., Oct 8.
The first international version of the UAV, which differs from previous variants in having six wing-mounted signals intelligence (SIGINT) pods, will require revised flight control software. This is being finalized for the start of taxi tests, currently expected to start in February.
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My Comment: The international market for this technology is enormous. Northrup Grumman is going to make it big with this program.