Enlarge / Artist's illustration of two satellites performing rendezvous and proximity operations in low-Earth orbit. The US Space Force announced Thursday it is partnering with two companies, Rocket Lab and True Anomaly, for a first-of-its-kind mission to demonstrate how the military might counter "on-orbit aggression." On this mission, a spacecraft built and launched by Rocket Lab will chase down another satellite made by True Anomaly, a Colorado-based startup. "The vendors will exercise a real...