A Northrop Grumman Antares rocket and Cygnus cargo carrier climbed into orbit Saturday from Wallops Island, Virginia, in pursuit of the International Space Station with more than 7,200 pounds of research hardware and provisions, the second supply ship launch to the space station in less than 24 hours.

The last flight of United Launch Alliance’s Delta 4-Medium rocket lifted off Aug. 22 from Cape Canaveral Air Force Station in Florida, riding more than 1.2 million pounds of thrust from a hydrogen-fueled main engine and two strap-on solid rocket motors.

Soaring into a clear early evening sky, SpaceX’s second Falcon Heavy rocket lifted off from a seaside launch complex Thursday at NASA’s Kennedy Space Center in Florida before a crowd of thousands of space enthusiasts.