SpaceX plans to launch its Starship megarocket on its next test flight on Monday. The vehicle’s upper stage exploded over the Atlantic Ocean during the last such test.

Federal regulators have closed an investigation into what went wrong when a SpaceX Starship spacecraft — part of the most powerful launch system ever constructed — exploded during a January test flight.

SpaceX is targeting a late Wednesday night launch of a Falcon 9 rocket carrying Starlink internet satellites to low Earth orbit.