Live coverage: 400th Proton rocket takes off with Russian satellite

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.

NASA’s final pair of TROPICS hurricane research satellites lifted off on a Rocket Lab Electron launch vehicle from New Zealand on Thursday night (U.S. time). The two identical shoebox-size spacecraft launched at 11:46 p.m. EDT Thursday (0346 UTC Friday) from Rocket Lab’s privately-owned spaceport on Mahia Peninsula in New Zealand.

A high-throughput communications satellite developed as a joint venture between Telesat and APT Satellite lifted off on top of a SpaceX Falcon 9 rocket at 12:45 a.m. EDT (0445 GMT) Monday from Cape Canaveral, following a delay to wait for storms to clear the Florida spaceport.