Aerojet Rocketdyne Helping to Propel Modernization of GPS Satellite Constellation
- Successful mission helped place the second advanced GPS III satellite into orbit
Aerojet Rocketdynepropulsion systems support every phase of mission; from boost to decommissioning
- Launch marked final mission for ULA Delta IV Medium launch vehicle
“Aerojet Rocketdyne has provided onboard propulsion for every GPS satellite since the program’s inception some four decades ago. That’s more than 70 satellites for one of the nation’s most important space programs,” said
The mission began when Aerojet Rocketdyne’s RS-68A engine ignited to provide more than 705,000 pounds of liftoff thrust that helped boost the Delta IV rocket off the pad. Following the boost phase of the flight, a single RL10B-2 engine ignited to provide 24,750 pounds of thrust to power the upper stage into orbit. Twelve Aerojet Rocketdyne MR-106H monopropellant (hydrazine) thrusters packaged in four modules on the Delta IV upper stage provide roll, pitch and yaw control as well as propellant settling burns. ARDÉ, a subsidiary for
This launch marked the final mission for ULA’s highly-successful Delta IV Medium rocket. The more powerful Delta IV Heavy rocket will remain in production to meet the nation’s heavy-lift launch requirements until the next generation of U.S. heavy-lift launch vehicles are certified to carry payloads to orbit. The Delta IV Heavy is currently the only launch vehicle certified to fly the nation’s heaviest Category C national security payloads.
The GPS III SV02 satellite, built by
Source: Aerojet Rocketdyne, Inc.