Nasa to test space capsule recovery

2013-08-15 18:12

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Virginia - The US Navy and Nasa are testing how they'll recover astronauts once they splash down in the ocean following future missions to deep space, something a Navy crew hasn't had to do in nearly 40 years.

On Thursday, a team of Navy divers and the crew of the USS Arlington planned to practice retrieving a mock-up of the Orion space capsule from the waters at Naval Station Norfolk.

From 1961 to 1975, teams of Navy ships tracked and recovered Mercury, Gemini and Apollo spacecraft after they re-entered the Earth's atmosphere and splashed down in oceans.

The Navy hasn't been used to recover astronauts since 1975, when the USS New Orleans recovered the Apollo spacecraft. That mission was the first time a US and Russian spacecraft docked in space, and it marked the final flight of the Apollo programme.

After that, astronauts began flying and returning to Earth via the space shuttle.

Once the space shuttle program was ended, US astronauts began hitching rides from Russia aboard its Soyuz rocket, whose spacecraft lands in a Kazakhstan desert.

The US wants to turn to private companies to begin ferrying astronauts to the International Space Station and back, but Nasa intends to use its Orion spacecraft, still under development, for deep space exploration.

Ultimately, Nasa plans to use Orion to get to an asteroid and then Mars.

A test flight of the capsule is planned for September 2014. It will fly 5 800km away and then return to the Pacific Ocean. But first, the Navy and Nasa have to update several parts of it.

Unlike past spacecraft recovery efforts, the Navy doesn't plan to use helicopters to retrieve Orion and place it on the flight deck of a ship. Instead, small boat teams will attach a winch line and tow it into an amphibious ship's well deck.

The Arlington is an amphibious transport dock that carries Marines and their equipment, and its well deck can intentionally be flooded.

In practice, it will be several more years before an astronaut steps onto a ship following a mission.

Orion's first trip is an unmanned mission in 2017. The first manned mission of Orion is planned for 2021.

A more detailed recovery test will occur in open waters off the coast of California in January.

- AP
Read more on:    nasa  |  us  |  space
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