spacex launch

SpaceX launches and lands second-hand rocket

A SpaceX Falcon 9 rocket recovered at sea from its maiden flight last year blasted off again from Florida on Thursday in the first successful launch of a recycled orbital-class booster, which scored a double feat with another return landing on an ocean platform.

The unprecedented twin achievements of launching a reusable rocket and salvaging the vehicle yet again for a possible third mission was hailed by billionaire SpaceX founder Elon Musk as a revolutionary milestone in his quest to slash launch costs and shorten intervals between space shots.

The Falcon 9 booster, which previously flew in April 2016, lifted off from the Kennedy Space Center at 6:27pm EDT (2227 GMT) to put a communications satellite into orbit for Luxembourg-based SES SA.

The booster’s main section then separated from the rest of the rocket and flew itself back to a landing pad in the Atlantic, where it successfully touched down for its second at-sea return.

“This is going to be ultimately a huge revolution in space flight,” Musk said during a webcast from the launch control centre at Cape Canaveral immediately after the Falcon 9’s autonomous touchdown. “It’s been 15 years to get to this point.”

Musk said his California-based company’s next goal in the burgeoning commercial space industry will be to turn around a salvaged rocket booster for re-launch within 24 hours, and to do so by the end of this year.

In December 2015 SpaceX landed an orbital rocket after launch for the first time, a feat it has now repeated eight times.

By reusing rockets, SpaceX aims to eventually cut its costs by about 30 per cent, the company has said. It lists the cost of a Falcon 9 ride at $62m but has not yet announced a price for flying on a recycled rocket.

But Musk said his company has so far spent about $1bn to develop reusability for the launch booster, the most expensive part of the rocket.

Proving the concept works is crucial to SpaceX, which is moving on from an accident in September that damaged another Florida site. 

SpaceX is also working on a passenger spaceship, with two unidentified tourists signed up for a future trip around the Moon. The company’s long-term goal under founder Musk is to fly people to and from Mars.

For its 33rd mission, SpaceX is reusing a Falcon 9 booster that was the first to make a successful return landing in the ocean. Four previous SpaceX at-sea landing attempts failed. The first successful ground-based touchdown of an orbital-class rocket booster came the previous December.

On Thursday, the rocket’s second-stage, which is not recovered, continued firing to carry SES-10 into an initial egg-shaped orbit high above Earth, from which it will provide television and other communications services to Latin America.

SES received a discount for joining the inaugural run, chief technical officer Martin Halliwell told reporters this week, declining to specify the cost.

Price alone was not the reason SES, with a fleet of 65 satellites, decided to fly on a used rocket, he said.

In February, SpaceX said that it was ramping up its schedule and wanted to launch two rockets every two to three weeks. 

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