The Orbital ATK Cygnus pressurized cargo module is carried atop the United Launch Alliance Atlas V rocket as it launches from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. Orbital ATK’s seventh commercial resupply services mission, CRS-7, will deliver 7,600 pounds of supplies, equipment and scientific research materials to the International Space Station. Liftoff was at 11:11 a.m. EDT on Tuesday, April 18, 2017. At about 6:05 a.m. EDT on Saturday, April 22, Expedition 51 astronauts Thomas Pesquet of ESA (European Space Agency) and Peggy Whitson of NASA will use the space station’s robotic arm to grapple Cygnus, which will be installed on the Unity module.
Liftoff of Orbital ATK Cargo Mission to International Space Station
