Before revision: USAF Atlantic Missile Range, Cape Canaveral, Florida While the fact that some scientific satellites " achieve orbit" is enough, vehicles carrying men or payloads that must be placed in precise positions, such as geosynchronous satellites, require improved trajectory position and velocity measurement systems.
After revision: USAF Atlantic Missile Range, Cape Canaveral, Florida For some scientific satellites " achievingbut orbit" is enough, vehicles carrying men or payloads that must be placed in precise positions, such as geosynchronous satellites, require improved trajectory position and velocity measurement systems.