Orbital ATK’s Antares first stage with the new engines was rolled NASA Wallops Flight Facility’s Horizontal Integration Facility to Virginia Space’s Mid-Atlantic Regional Spaceport Pad-0A on May 12, 2016, in preparation for the upcoming stage test in the next few weeks.
The window for the stage test will be over multiple days to ensure technical and weather conditions are acceptable.
The hot fire test of the Antares rocket is in preparation for returning the rocket to flight operations this summer.
Operations from Wallops were halted after an Antares rocket exploded upon liftoff on a resupply mission in October 2014.
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