The debut mission of Northrop Grumman's new jumbo cargo spacecraft didn't go off without a hitch.

The company's first "Cygnus XL" freighter suffered a thruster issue in orbit early Tuesday morning (Sept. 16), two days after launching toward the International Space Station (ISS) atop a SpaceX Falcon 9 rocket.

As a result, "the Cygnus XL will not arrive to the space station on Wednesday, Sept. 17, as originally planned, with a new arrival date and time under review," NASA officials announced in an update on Tuesday afternoon.

The Cygnus XL's "main engine stopped earlier than planned during two burns designed to raise the orbit of the spacecraft for rendezvous with the space station, where it will deliver 11,000 pounds of scientific investigations and cargo to the orbiting laboratory for N

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