Dragon makes history with ISS docking

2012-05-26 17:25
Florida - The private company SpaceX made history with the docking of its Dragon capsule to the International Space Station, the most impressive feat yet in turning routine spaceflight over to the commercial sector.

The docking on Friday marked the first time a business enterprise delivered a supply ship to the space station.

"There's so much that could have gone wrong and it went right," said an elated Elon Musk, the young, driven billionaire behind SpaceX.

"This really is, I think, going to be recognised as a significantly historical step forward in space travel - and hopefully the first of many to come."

SpaceX still has to get its Dragon back next week with a load of science gear; the retro bell-shaped capsule is designed to splash down into the ocean, in the style of the Mercury, Gemini and Apollo programs. But Friday was the crucial step, Musk noted, and Nasa agreed the next SpaceX mission could come as early as September.

Three-day flight

After a three-day flight from Cape Canaveral, the Dragon closed in on the space station as two control centres - Nasa in Houston and SpaceX in Hawthorne, California - worked in tandem. A problem with the capsule laser-tracking system prompted SpaceX controllers to order a temporary retreat, but the problem quickly was resolved.

Nasa astronaut Donald Pettit used the space station's 17.6m robot arm to snare the gleaming white Dragon as the two craft soared 400km above Australia, a day after a practice fly-by.

"Looks like we've got us a dragon by the tail," Pettit announced once he locked onto Dragon's docking mechanism.

Nasa's dressed-up controllers applauded. In contrast, their SpaceX counterparts - including Musk - lifted their arms in triumph and jumped out of their seats to exchange high fives.

The company's youthful-looking employees - the average age is 30 - were still in a frenzy when Musk took part in a televised news conference a couple hours later. They screamed with excitement as if it were a pep rally and chanted, "E-lon, E-lon, E-lon," as the 40-year-old Musk, wearing a black athletic jacket with the SpaceX logo, described the day's events.

Alcohol was banned from the premises during the crucial flight operation, Musk noted, "but now that things are good, I think we'll probably have a bit of champagne and have some fun". The crowd roared in approval.

Although cargo hauls have become routine, Friday's linkup was significant in that an individual company pulled it off. That chore was previously reserved for a small, elite group of government agencies.

Designed to return items

Not only that, the reusable SpaceX Dragon is designed to safely return items, a huge benefit that disappeared with Nasa's space shuttles. It is the first US craft to visit the station since the final shuttle flight last summer.

"I think you know it, but you made history today," Nasa Administrator Charles Bolden told the space station astronauts and everyone else involved in Friday's docking. "It was an effort that will revolutionize the way we carry out space exploration."

Nasa provided seed money for SpaceX - $381m going into Tuesday's launch, a small portion of the more than $1bn that the company has invested in the effort.

Two hours after the capture, the crew attached the Dragon to the space station as the congratulations poured in.

"Everyone who is working to push forward the space frontier recognises that such a mission is a massive challenge, and I join the world in lauding this important accomplishment," said Richard Branson of Virgin Galactic, a space tourism company that is holding a seat for Musk aboard its SpaceShipTwo.

"Nearly 43 years after we first walked on the moon, we have taken another step in demonstrating continued American leadership in space," said Apollo 11's Buzz Aldrin, the second man to step onto the moon.

Delivery runs

The capsule - 5.8m tall and 3.6m across - is carrying 453kg of supplies on this unprecedented test flight. The crew starts unpacking on Saturday and will have just under a week to unload the food, clothes and other contents.

After this test flight, SpaceX - officially known as Space Exploration Technologies Corp - has a contract to make a dozen delivery runs. It is one of several companies vying for Nasa's cargo business and a chance to launch Americans from US soil.

Rival Orbital Sciences Corp is shooting for its own supply run by year's end.

President Barack Obama is pushing commercial ventures in orbit so Nasa can concentrate on grander destinations like asteroids and Mars. Obama's chief scientific adviser, John Holdren, called Friday's linkup "an achievement of historic scientific and technological significance".

"It's essential we maintain such competition and fully support this burgeoning and capable industry to get US astronauts back on American launch vehicles as soon as possible," Holdren said in a statement.

Without the shuttle, Nasa astronauts must go through Russia, an expensive and embarrassing situation for the US after a half-century of orbital self-sufficiency. Once companies master supply runs, they hope to tackle astronaut ferry runs.

Musk, who founded SpaceX a decade ago and helped create PayPal, said he can have astronauts riding his Dragon capsules to orbit in three or four years. He also runs the electric car company Tesla Motors.

'Very confident'

The space station has been relying on Russian, Japanese and European cargo ships for supplies ever since the shuttles retired. None of those, however, can bring anything of value back; they're simply loaded with trash and burn up in the atmosphere.

The space station's six-man crew will release the Dragon on Thursday after filling it with science experiments and equipment. It will aim for the Pacific Ocean just off the California coast.

"At the beginning of the launch, I said there were a thousand things that had to go right," said Alan Lindenmoyer, manager of Nasa's commercial crew and cargo program. "Well, there still are several hundred left. But I am very confident we'll get through it. ... Today this really is the beginning of a new era in commercial spaceflight"

- AP
Read more on:    nasa  |  spacex  |  elon musk  |  buzz aldrin  |  us  |  space  |  iss
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