A SpaceX Falcon 9 first stage landed on a barge at sea after sending a Dragon cargo capsule toward the International Space Station (ISS) Friday, marking another milestone in the company’s efforts to incorporate launcher reusability into its business plan.

Shortly after the stage eased down onto the barge, dubbed the “Of Course I Still Love You,” 300 km (190 mi.) off the coast of Florida, and remained erect, the Dragon separated on an apparently nominal flight to the ISS.

“The 1st stage of the Falcon 9 just landed on our Of Course I Still Love You droneship,” SpaceX tweeted as employees cheered outside the control room at the company’s Hawthorne, California, factory. “Dragon in good orbit.”

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