A SpaceX cargo ship that has been at the International Space Station for a month is set to leave Saturday.

The unmanned CRS-4 Dragon Dragon capsule delivered more than 5,000 pounds of space station supplies for NASA. The rocket also carried University of Central Florida physics professor Joshua Colwell's research to explore low-energy collisions out of dust particles. A 3-D printer, which also has UCF ties, was also delivered.

This was the fifth station shipment for the California-based SpaceX, one of two new commercial winners in the race to start launching Americans again from home soil.

The Falcon 9 rocket lifted off on Sept. 21 at 1:52 a.m. from Launch Complex 40, at the Cape Canaveral Air Force Station.

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Press Kit: SpaceX CRS-4 Mission