Chú thích Northrop Grumman RQ-4 Global Hawk

  1. 1 2 3 4 “GAO-13-294SP, Defense Acquisitions Assessments of Selected Weapon Programs” (PDF). US Government Accountability Office. Tháng 3 năm 2013. tr. 113–4. Truy cập ngày 26 tháng 5 năm 2013. 
  2. 1 2 3 “"GAO-13-294SP, Defense Acquisitions Assessments of Selected Weapon Programs"” (PDF). 
  3. 1 2 “"Soaring Costs Not Likely to Slow Down Global Hawk"”. 
  4. ↑ “Northrop Grumman Unmanned Aircraft Systems Achieve 100,000 Flight Hours”. 
  5. ↑ “"Last Block 10 Global Hawk Arrives For Check Flights"."”. 
  6. ↑ “"RQ-4 Global Hawk fact sheet"”. 
  7. ↑ “"Northrop unveils next generation Global Hawk"”. 
  8. ↑ ["Global Hawk in demand, passes 10,000 flight hours milestone" "Global Hawk in demand, passes 10,000 flight hours milestone"] Kiểm tra giao thức |url= (trợ giúp).  |tựa đề= trống hay bị thiếu (trợ giúp)
  9. ↑ “"Northrop Grumman Press Release"”. 
  10. ↑ “"U.S. Navy To Receive First Global Hawk Next Week."”. 
  11. ↑ “"First Unmanned Global Hawk Delivered to U.S. Navy - U.S. Department of Defense Transformation News Story"”. 
  12. ↑ ["Navy Global Hawk Performs in RIMPAC" "Navy Global Hawk Performs in RIMPAC"] Kiểm tra giao thức |url= (trợ giúp).  |tựa đề= trống hay bị thiếu (trợ giúp)
  13. ↑ “"Defense.gov News Release: Navy Awards Northrop Grumman Unmanned Aircraft System Contract"”. 
  14. ↑ “BAMS given MQ-4C designation”. 
  15. ↑ “"Navy drone crashes in Maryland"”. 
  16. ↑ “"Investigators Look Into BAMS-D Loss"”. 
  17. ↑ “"Navy UAV crashes in Md.; no injuries reported"”. 
  18. ↑ “Triton Testing Ahead of Schedule”. 
  19. ↑ “"Cost overruns put Global Hawk at risk"”. 
  20. ↑ “"Cost overruns put Global Hawk at risk"”. 
  21. ↑ “http://www.flightglobal.com/Articles/2006/11/21/Navigation/196/210621/Global+Hawk+costs+soar+to+%2410bn.html”. 
  22. ↑ “"Northrop: Global Hawk not slowing down even with cuts"”. 
  23. ↑ “"Pentagon Says Northrop Drone Isn’t ‘Effective’."”. 
  24. ↑ “"Nunn-McCurdy Certification Acquisition Decision Memorandum for the Restructured RQ-4A/B Unmanned Aircraft System Global Hawk."”.  |url= trống hay bị thiếu (trợ giúp)
  25. ↑ “"Defense Budget Priorities and Choices", p. 11” (PDF). 
  26. ↑ “"Air Force To Cut 10,000; Global Hawks Get Warehoused."”. 
  27. ↑ “"Pentagon slashes fighter squadrons, airlifters in new budget proposal"”. 
  28. ↑ “"USAF Cancels Block 30 RQ-4 Global Hawk"”. 
  29. ↑ “"Global Hawk Program Manager Plans For Early Deliveries, Budget Cuts"”. 
  30. ↑ “"A Freed Hostage: ACC Commander’s Parting Shots"”. 
  31. ↑ “Cost of flying Northrop’s Global Hawk down over 50% sources”. 
  32. ↑ “"RQ-4 Euro Hawk UAV Readying for Takeoff"”. 
  33. 1 2 “"Germany pulls plug on Euro Hawk UAV programme"”. 
  34. ↑ “"Northrop Grumman and EADS Defence & Security's Euro Hawk Unmanned Aircraft Completes Successful First Flight"”. 
  35. ↑ ["Northrop Grumman Unveils Euro Hawk" "Northrop Grumman Unveils Euro Hawk"] Kiểm tra giao thức |url= (trợ giúp).  |tựa đề= trống hay bị thiếu (trợ giúp)
  36. ↑ “"Euro Hawk landet in Manching"”. 
  37. ↑ “"De Maizière förderte Drohnenprojekt noch 2012"”. 
  38. ↑ “"Euro Hawk wird nicht zugelassen"”. 
  39. ↑ “"German government culls costly Euro Hawk drone project"”. 
  40. ↑ “"Germany axes Euro Hawk drone program"”. 
  41. ↑ “"De Maiziere defends Bundeswehr reforms and Euro Hawk halt"”. 
  42. ↑ “"Germany will not buy Euro Hawk drones."”. 
  43. ↑ “EURO HAWK Sets Record With 25-Hour Nonstop Flight in Germany”. 
  44. ↑ “Germany May Revive Euro Hawk Using MQ-4C”. 
  45. ↑ “"RQ-4 Block 20 Global Hawk"”. 
  46. ↑ “"Next generation of Global Hawks ready to roll"”. 
  47. ↑ [Aerotech News and Review Aerotech News and Review] Kiểm tra giao thức |url= (trợ giúp).  |tựa đề= trống hay bị thiếu (trợ giúp)
  48. ↑ “"AN/ALQ to AN/ALT - Equipment Listing"”. 
  49. ↑ “"Global Hawk, U-2 Duel Resumes in ’15 Budget Fight"”. 
  50. ↑ “Northrop Grumman Delivers Global Hawk Early and On Cost”. 
  51. ↑ “U.S. ‘Global Hawk’ Drone Joins Search for Kidnapped Nigerian Schoolgirls”. 
  52. ↑ “Global Hawk flies record mission hours”. 
  53. ↑ “Estonia plans to purchase Global Hawk drone to increase its military reconnaissance capabilities”. 
  54. ↑ “"Indian Navy Interested in Northrop Grumman MQ-4C Maritime Surveillance Unmanned Aircraft Systems"”. 
  55. ↑ “"India will purchase the MQ-4C BAMS drone aircraft"”. 

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