Stats: Atlas 5 history and backlog

A United Launch Alliance Atlas 5 rocket, flying in its basic two-stage configuration with no strap-on solids, was stacked aboard a mobile launch platform at Cape Canaveral’s Vertical Integration Facility on Feb. 22 and 23 in preparation to send Orbital ATK’s S.S. John Glenn cargo ship into orbit for the International Space Station.

The Airbus-built Solar Orbiter spacecraft has been closed up inside the payload fairing of a United Launch Alliance Atlas 5 rocket in preparation for liftoff from Cape Canaveral in February on a joint mission between the European Space Agency and NASA.

Boeing engineers have completed hotfire testing on a flight-like model of the Starliner crew capsule, clearing a major hurdle before a pad abort test and a demonstration flight to the International Space Station later this summer, Boeing announced Friday.