Stratolaunch's huge Roc plane flies with fueled-up hypersonic vehicle for 1st time (photos)

Stratolaunch's Roc carrier plane conducted its fir the weekend carry flight with a hypersonic test vehicle.

The main Stratolaunch ev Roc ate the propulsion system of first vehicle.

Roc stayed aloft for three hours and 22 minutes on Sunday's sortie, whic Sunday in Dec. 3 rom Mojave Air and Space Port in California.

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