Orbital ATK is scheduled to launch its ninth contracted mission to the International Space Station in a five-minute window beginning at 4:39 a.m. EDT, Monday, May 21 from NASA’s Wallops Flight Facility in Virginia.
Populations all along the U.S. east coast will have the chance to catch a glimpse of the Antares rocket as it blasts the Cygnus cargo spacecraft on the way to orbit. Follow this launch blog for the latest mission status updates.

Information for those planning to visit the NASA Wallops Visitor Center.