(CNN) — An unmanned NASA-contracted commercial rocket exploded shortly after liftoff early Tuesday evening — and it was carrying the the first test satellite by Planetary Resources, an asteroid-hunting firm based in Redmond, Wash.
The Orbital Sciences Corp.’s Antares rocket and Cygnus cargo spacecraft were set to launch at 6:22 p.m. ET in Wallops, Va. It was set to carry some 5,000 pounds of supplies and experiments to the International Space Station.
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