Teledyne-Ryan Tier II Global Hawk
The Global Hawk unmanned aircraft is a long-range, high altitude area surveillance vehicle. The brake control system is a Mark V digital autobrake with antiskid brake control driving PWM valves.

Mark V Autobrake/Antiskid System 100-135
Brake Control Unit
42-981
Brake Control Valve
38-807
Wheelspeed Transducer
140-183
Pressure Transducer
52-563500