Model Variants (Including Prototypes)
Global Hawk Block 0 - Initial Advanced Concept Technology Demonstrator; 7 examples delivered.
Global Hawk Block 10 - 9 examples delivered
Global Hawk Block 20 - 6 examples delivered; four converted as communications replay platforms.
Global Hawk Block 30 - 16 examples delivered
RQ-4A - Initial and Base Production Model Designation; 16 examples completed.
RQ-4B - Improved Global Hawk RQ-4A; increased wingspan (130.9 feet), length (47.7 feet) and payload capacity; reduced range.
RQ-4E "EuroHawk" - Based on the RQ-4B airframe but fitted with EADS reconnaissance systems; German export model; single example delivered as of March 2013 with an additional four more possible; since cancelled (2013).
MQ-4C "Triton" - Proposed navalized Global Hawk under consideration with US Navy; primarily for maritime reconnaissance and surveillance; 68 examples planned for procurement, 0 produced as of March 2013.
EQ-4B - Fitted with Battlefield Airborne Communications Node (BACN) suite.
Global Hawk NATO AGS ("Alliance Ground Surveillance") - In development for NATO procurement; as many as five examples may be procured.