Antares on the launch pad. (Credit: NASA webcast)
Northrop Grumman’s Antares and SpaceX’s Falcon 9 boosters are scheduled to launch less than 30 minutes apart on Friday night, providing spectacular light shows for residents along the U.S. East Coast.
Antares is set to launch a Cygnus resupply ship to the International Space Station (ISS) from the Mid-Atlantic Regional Spaceport in Virginia at 9:16 p.m. EDT. The cargo vehicle would reach ISS early on Monday morning.
NASA TV will begin live coverage of the Antares launch on its website at 8:45 p.m. EDT.
A launch attempt was scrubbed with less than three minutes to go due to a software issue involving ground equipment that has been corrected, Northrop Grumman tweeted.
Falcon 9 is scheduled for launch the GPS III-4 navigation satellite from Cape Canaveral Air Force Station in Florida at 9:43 p.m. EDT. The launch has a 15-minute window.
The SpaceX webcast of its launch will begin about 15 minutes prior to scheduled liftoff.