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Stratolaunch's huge Roc plane flies with fueled-up hypersonic vehicle for 1st time (photos)
Stratolaunch's huge Roc plane drops hypersonic test vehicle for 1st time (video)
World's largest plane, Stratolaunch's Roc, aces 2nd captive-carry test flight
Stratolaunch's Roc, the world's largest plane, aces 1st flight carrying hypersonic prototype
Stratolaunch's huge Roc carrier plane flies higher than ever on 7th test flight
Stratolaunch ends 6th test flight of Roc, the world's largest airplane, early after unexpected results
Stratolaunch's Roc soars again: Biggest airplane ever built aces 4th test flight
