President-elect Donald J. Trump joined Elon Musk, as his company’s prototype moon and Mars rocket carried out a sixth test flight that showed a mix of progress and setbacks.

Not all of the criteria for a booster catch was met and so the flight director did not command the booster to return to the launch site, said SpaceX spokesman Dan Huot. He did not

The launch is scheduled during a 30 minute window starting at 17:00 EST (22:00 GMT), weather permitting. And President-elect Donald Trump is heading to Texas to watch the launch. Trump and SpaceX owner Elon Musk are close political allies. We will streaming the launch, so click the watch live button at the top of this page and watch along with us.

SpaceX on Tuesday launched another Starship rocket, but passed up catching the booster with giant mechanical arms.

SpaceX launched its Starship mega-rocket on another uncrewed test flight from South Texas on Tuesday, but despite the presence of the president-elect, couldn’t quite duplicate some of the previous flight’s success.

SpaceX is launching a flight test of its Starship rocket, as NASA pins its hopes of returning to the moon and reaching Mars on Elon Musk's company. The launch will also see giant robotic arms attempt to catch the rocket's booster in SpaceX's latest experiment with reusable technology.

On Nov. 19, SpaceX attempted to repeat its successful catch of a returning Starship rocket. The rocket was diverted to a splash down in the Gulf of Mexico.

SpaceX's Starship splashed down into the Indian Ocean after the skipping the anticipated "booster catch" maneuver for the rocket.

SpaceX on Tuesday launched another Starship rocket, but passed up catching the booster with giant mechanical arms. Unlike last month’s success, the booster was directed to a splashdown in the Gulf of Mexico.