Orbital ATK in conjunction with NASA, has moved the Antares and Cygnus launch to NET Monday, May 21, at 4:39 a.m. EDT to support further pre-launch inspections and more favorable weather conditions. Monday shows an 80-percent probability of acceptable weather for launch.
On May 21, a 5-minute window opens at 4:39 a.m. EDT for the launch of Orbital ATK’s CRS-9 resupply mission to the International Space Station. Orbital ATK’s Cygnus spacecraft is scheduled to launch aboard an Antares rocket for the seventh time from NASA’s Wallops Flight Facility on Virginia’s Eastern Shore. Cygnus will deliver vital equipment, supplies and scientific equipment to the space station as part of Orbital ATK’s Commercial Resupply Services (CRS) contract with NASA.