ULA did a live Periscope feed of the roll-out: https://www.periscope.tv/w/1kvKpZVaOomJE
In countdown's first weather briefing, conditions favorable for Atlas today with 80% GO odds https://t.co/brZOD7hfxX
Just wondering, what determines the color of the first stage of the Atlas V? Usually it's copper but sometimes it's white?