Seven years and 4 billion miles after its launch, NASA’s OSIRIS-REx spacecraft has successfully dropped off a capsule containing a precious sample of one near-Earth asteroid — and is now on course to rendezvous with another one in 2029. Rocket thrusters built at Aerojet Rocketdyne’s facility in Redmond, Wash., have been guiding the bus-sized probe every step of the way. Today marked the climax of OSIRIS-REx — which stands for Origins, Spectral Interpretation, Resource Identification and Security