Analyse @NASA's tweets
'Twas the night before launch & @NorthropGrumman’s #Antares rocket w/ the Cygnus spacecraft perched on top is being prepped for its final cargo load. Tune in tomorrow starting at 4:15pm ET to see coverage of the rocket launching from @NASA_Wallops. More: https://t.co/2p3u8v5gaA https://t.co/aiSPcw71MJ