Falcon 9

Musk previews busy year ahead for SpaceX

There’s a lot on SpaceX’s agenda this year if the company can maintain its pace, including refinements of the Falcon 9 rocket to hasten refurbishment between flights and the debut of the long-delayed Falcon Heavy launch vehicle with two side boosters recycled from previous missions, Elon Musk said after last week’s successful liftoff of a previously-flown rocket.