SpaceX returns to Florida this month for its second launch of the year, a commercial mission to deliver a communications spacecraft into orbit.

Luxembourg-based SES said SpaceX is aiming launch its SES-9 satellite on Feb. 24 from Cape Canaveral Air Force Station in Florida.

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To get SES-9 into its intended orbit, the first-stage of the Falcon rocket will be moving too fast to attempt to land back at the launch site, a feat SpaceX nailed in December. Instead, SpaceX will try again to touch down on a platform floating in the ocean.

“Ship landings are needed for high velocity missions. Altitude and distance don’t mean much for orbit. All about speed,” SpaceX founder and chief executive Elon Musk wrote on Twitter.

“Just not physically possible to return to launch site,” he added.

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SpaceX’s three previous ocean landing attempts have failed, although the last one in Janaury came close. After sending the Jason-3 ocean-monitoring satellite on its way into orbit, the Falcon 9 first stage touched down on a platform in the Pacific Ocean, but then one of the rocket’s four landing legs gave way causing it to tip over. The booster exploded when it hit the barge.

Musk said he expects to stick about 70 percent of the rocket landings this year, and improve the system to reach a 90 percent success rate in 2017.

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“Definitely harder to land on a ship,” Musk said on Twitter. “Similar to an aircraft carrier vs land: much smaller target area, that’s also translating and rotating.”

The SES launch will be the second of more than a dozen flights SpaceX is planning for 2016.