Gallery: Antares rocket explodes

This is video footage documenting stacking activities for the two-stage United Launch Alliance Atlas 5 rocket, standing 194 feet tall, to boost the commercial Orbital ATK Cygnus cargo freighter to the International Space Station. Activities occurred at Cape Canaveral’s Vertical Integration Facility.

The Antares rocket, Orbital ATK’s medium-class booster now with modern RD-181 engines, launches at 7:45 p.m. EDT (2345 GMT) from NASA’s Wallops Flight Facility on the eastern shore of Virginia.

Relive the steps to stack the United Launch Alliance Atlas 5 rocket at Cape Canaveral’s Vertical Integration Facility for the Orbital ATK Cygnus cargo freighter for the space station. The first stage was erected initially, followed by the interstage and Centaur stage, then the encapsulated payload.