Orbital ATK @OrbitalATK 9m9 minutes agoOrbital ATK team at the launch pad yesterday preparing for today’s #DeltaIV launch of #WGS8. @ulalaunch
ULA's website says launch window is 6:53 - 7:42 PM EST, while others say it starts at 6:52. Any idea where the discrepancy arises?
http://www.ulalaunch.com/webcast.aspx