The US Air Force plans to award Northrop Grumman contracts valued at $4 billion to sustain and modernize the RQ-4 Global Hawk over the next five years as the high-flying unma…
The US Air Force plans to award Northrop Grumman contracts valued at $4 billion to sustain and modernize the RQ-4 Global Hawk over the next five years as the high-flying unma…