As Northrop Grumman rolls out its first Global Hawk Block 40 aircraft, the high-flying unmanned aerial vehicle (UAV) program is facing some hurdles. The Office of the Secretary of Defense and U.S. Air Force are ironing out particulars of a delay to the initial operational test and evaluation (IOT&E) period for the Block 20/30 Global Hawk. Industry and government sources suggest it is likely to be nine months; the original plan was to start IOT&E in August and wrap up in ...


You must be a paid subscriber to access "Block 40 Global Hawk Rolls Out Amid Program Questions".


Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to for access.


Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.