Elon Musk's SpaceX said its Falcon 9 booster had a "hard landing" and broke a landing leg on a drone ship in the Pacific Ocean minutes after lofting a satellite into orbit.
"Touchdown speed was OK, but a leg lockout didn't latch, so it tipped over after landing," Musk said in a tweet on Sunday.
The damage left Space Exploration Technologies short of a clearly successful touchdown on a drone ship. Such a landing would offer greater flexibility, given the potential for land-based space ports to become crowded. Two previous attempts failed, while another had to be called off because of rough seas.
"Definitely harder to land on a ship," Musk...