SpaceX's unmanned Dragon cargo ship arrived Wednesday at the International Space Station, carrying nearly 5,000 pounds (2,200 kilograms) of gear and supplies for the astronauts living in orbit, Nasa said.
US space agency astronauts Jeff Williams and Kate Rubins reached out and grabbed the spacecraft, using the space station's 57.7-foot (17.5 metre) long robotic arm known as the Canadarm2, at 6:56am (10:56am GMT).
"We have confirmed capture," a Nasa commentator said.
The key piece of equipment on board is the first of two international docking adaptors, which will allow commercial crew spacecraft to latch onto the research outpost in the coming years.
The first such docking adaptor was destroyed in June last year when the SpaceX rocket exploded about two minutes after launch.
The current supply trip is the ninth for SpaceX under a $1.6 billion Nasa contract to ferry science experiments, food, machinery and other gear to space.
The Dragon spaceship launched Monday from Cape Canaveral, Florida atop a Falcon 9 rocket.
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