Live coverage of the United Launch Alliance Atlas 5 rocket flight to deploy the NROL-42 payload for the National Reconnaissance Office.
(Launch webcast begins at 10:10 p.m. local / 1:10 a.m. EDT / 0510 GMT)
Entries below listed as EDT (subtract 3 hours for local time; add 4 hours for GMT)
Mission Reports
Live coverage: Proton blasts off on return-to-flight mission
A Russian Proton rocket blasted off from Kazakhstan on Friday on a critical launch aiming to complete deployment of a major multibillion-dollar global communications network for London-based Inmarsat. Liftoff occurred at 1144 GMT (7:44 a.m. EDT), but it will take more than 15 hours to put the satellite in the correct orbit.