Snapshots from Atlas 5 launch

Follow the Atlas 5 rocket’s ascent into orbit from Cape Canaveral’s Complex 41 launch pad with the U.S. Air Force’s GPS 2F-11 navigation satellite. Launch is scheduled for Friday at 12:17 p.m. EDT (1617 GMT).

The Centaur upper stage destined to send Boeing’s CST-100 Starliner crew capsule into orbit on its first unpiloted test flight next year has arrived at Cape Canaveral after a sea journey aboard United Launch Alliance’s Mariner transport ship.

A balky interplanetary seismic instrument that ran into technical problems in 2015, forcing a two-year delay in the launch of NASA’s InSight lander to Mars, cleared a major test last week after engineers redesigned part of the sensor package, boosting confidence that the mission will be ready to blast off in May 2018.