Live coverage: Ariane 5 rocket launches TV broadcast satellites

A United Launch Alliance Atlas 5 rocket lifted off from Cape Canaveral today at 7:42 p.m. EST (0042 GMT) to deploy the U.S. military’s SBIRS GEO Flight 3 observatory, equipped with advanced telescopic infrared vision to spot enemy missile launches, for early warning surveillance.

A SpaceX Falcon 9 rocket lifted off with a pair of O3b internet satellites for SES Friday evening from Cape Canaveral Space Force Station, but a last-minute abort for a Falcon Heavy mission later in the night prevented the company from pulling off a launch doubleheader.

NASA has selected two robotic missions to visit asteroids in the early 2020s from a field of proposed interplanetary probes, approving projects to explore a metallic relic from the early solar system and a half-dozen so-called Trojan objects left over from the formation of the outer planets.