Generally speaking UAVs/Drones cost far less than manned fighter aircraft. For example the flyaway cost of a F 18 Super Hornet is USD 65 million whereas the flyaway cost of a Reaper drone is USD 14 million.
However, the unit cost of a Global Hawk is USD132 million which is almost as much as that of a F 35 https://www.f35.com/about/fast-facts/cost
So why is the unit cost of Global Hawk UAV so high?