RT @SpaceflightNow: With less than two hours until liftoff with the #TDRS satellite, fueling of the @ulalaunch Atlas 5 rocket has begun. htspaceflightnow.com/atlas/av043/st…
RT @SpaceflightNow: With less than two hours until liftoff with the #TDRS satellite, fueling of the @ulalaunch Atlas 5 rocket has begun. htspaceflightnow.com/atlas/av043/st…