Photos: Delta 4 awaits blastoff

NASA is announcing the astronauts who will fly the first crewed test flights of the SpaceX Dragon 2 and Boeing Starliner capsules next year. The event at the Johnson Space Center is due to get underway at 11am EDT (1500 GMT).

Follow the Atlas 5 rocket’s ascent from Cape Canaveral’s Complex 41 launch pad to send NASA’s OSIRIS-REx on an interplanetary trajectory to intercept Asteroid Bennu and bring back a pristine sample. Launch is scheduled for Thursday at 7:05 p.m. EDT (2305 GMT).

For its 70th launch in 14 years, the Atlas 5 rocket carried the NROL-79 payload into space for the National Reconnaissance Office.