SpaceX Cargo Delivery Back on Track

A privately owned Dragon capsule arrived safely at the International Space Station on Sunday, delivering a ton of supplies, after a shaky, nerve-wracking start to its mission.

The Dragon's arrival was one day late but especially sweet—and not because of the fresh fruit on board for the station astronauts who snared the capsule.

SpaceX, the California-based company founded by billionaire Elon Musk who helped create PayPal, had to struggle with the Dragon following its Friday launch. A clogged pressure line or stuck valve prevented the Dragon's thrusters from working, and it took flight controllers several hours to gain control and salvage the mission.

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