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Double triumph for SpaceX after successful ocean platform landing

Published 09/04/2016

The SpaceX Falcon 9 rocket lifts off from launch complex 40 at the Kennedy Space Centre in Cape Canaveral (AP)
The SpaceX Falcon 9 rocket lifts off from launch complex 40 at the Kennedy Space Centre in Cape Canaveral (AP)

SpaceX has resumed station deliveries for Nasa - and, in a double triumph, successfully landed its booster rocket on an ocean platform for the first time.

The aerospace firm's unmanned Falcon rocket soared into a clear afternoon sky, carrying a full load of supplies for the International Space Station (ISS) as well as a futuristic pop-up room.

After sending the Dragon capsule on its way, the first-stage booster peeled away. But instead of dropping into the Atlantic, the 15-storey booster steered to a vertical touchdown on the barge, which was named "Of Course I Still Love You".

Hundreds of SpaceX employees gathered outside the company's mission control in Hawthorne, California, celebrated wildly.

"Absolutely incredible," said a SpaceX commentator. "The crowd is going a little nuts here, as expected."

Although the company managed to land a spent booster rocket at Cape Canaveral in December, touchdowns at sea have proven elusive, with several attempts ending in explosions on the floating barge.

SpaceX's founder Elon Musk wants to ultimately reuse rocket parts to cut down on launch costs.

This marks SpaceX's first shipment for the space station in a year. A launch accident halted cargo flights last June.

The Dragon and its 7,000lbs of freight - including the attention-grabbing payload - should reach the space station on Sunday.

Bigelow Aerospace is providing the expandable compartment, which swells to the size of a small bedroom. It is a testbed for orbiting rental property which the Nevada company hopes to launch in four years. It could also be used for moon and Mars habitats.

Traffic has been heavy lately at the 260-mile-high ISS complex. Nasa's other commercial shipper, Orbital ATK, made a delivery at the end of March, followed by Russia just last weekend. SpaceX's Dragon will join three cargo carriers and two crew capsules already parked there.

Besides a bevy of biological experiments - including 20 mice for a muscle study, and cabbage and lettuce plants for research as well as crew consumption - the Dragon capsule holds the pioneering pod.

The Bigelow Expandable Activity Module, or BEAM, is a 21st-century reincarnation of Nasa's TransHab, which never got beyond blueprints and ground mock-ups in the 1990s.

Hotel entrepreneur Robert Bigelow bought rights to TransHab, then persuaded Nasa to host BEAM at the space station.

Empty except for sensors, the experimental BEAM is Bigelow's first soft-sided space structure meant for people. Astronauts will enter the pod periodically during the two years it is at the station.

Bigelow hopes to have two station-size inflatables ready to launch around 2020 for commercial use, potentially followed by inflatable moon bases. Nasa, meanwhile, envisions using inflatable habitats during 2030s Mars expeditions.

On the eve of the launch, Bigelow said the mission promises to "change the entire dynamic for human habitation".

"It is the future ... the next logical step in humans getting off the planet," Nasa's space station programme manager, Kirk Shireman, told reporters.

SpaceX's last delivery attempt, in June, ended in flames after just two minutes, doomed by a snapped strut in the oxygen tank of the upper stage. The company successfully resumed Falcon launches late last year with satellites.

Besides Falcon repairs and upgrades, SpaceX activated the Dragon's parachute system this time. That way, in case of a launch accident, the Dragon could parachute into the Atlantic and hopefully be salvaged. The Dragon is the only station cargo ship capable of returning items to Earth, and thus equipped with parachutes.

Nasa is anxious to receive blood and other samples collected by Scott Kelly, who returned to Earth in March, as well as a defective spacesuit which cut short a spacewalk in January.

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From Belfast Telegraph