ISS commander hails today's SpaceX launch as 'step towards the future'

The current commander of the International Space Station (ISS) has joined others in the space community to hail the SpaceX launch planned for later this evening.

At 9.33pm BST astronauts Doug Hurley and Bob Behnken will blast off inside a SpaceX-made Crew Dragon spaceship on a journey to the ISS.

It will be the first time astronauts have piloted a privately-built spaceship into orbit.

International Space Station Commander Chris Cassidy discussed the significance of the upcoming flight earlier this week.

It will be the first human spaceflight launched from US soil since the space shuttle program ended in 2011.

Cassidy called today’s launch ‘a gigantic deal’ and said it marks a ‘step towards the future’ for America. He also said he is ‘confident’ the two astronauts will arrive safely.

‘I mean, we retired the shuttle for very sound reasons when that decision was made, with aims to move towards the future,’ he told American TV.

Cassidy offered a vote of confidence for the public-private partnership that’s taking Behnken and Hurley to the station.

‘They’re smart engineers at Nasa. They’re smart engineers at SpaceX, all with motivation to do the same thing, and that’s fly missions effectively and safely,’ he said.

His thoughts have been echoed by space industry experts in the UK.

Libby Jackson, human exploration programme manager at the UK Space Agency, said the work done by SpaceX and Nasa is not only a huge stepping stone for the US but also a ‘major milestone for the global space sector’.

She told the PA news agency: ‘We have been dependent on just a single way of getting to and from this amazing scientific laboratory we have up there.

‘To reinstate what we call dissimilar redundancy – a different way of getting to and from the space station – would be very significant for the future of the space station.’

She added that the mission opens up a new era where space agencies are becoming more open to commercialisation and space tourism, saying it is ‘indeed where I see some of this heading’.

Since ending its Space Shuttle programme in 2011, Nasa has depended on Russia’s space agency Roscosmos to transport its astronauts to the space station.

In 2014, Nasa awarded SpaceX and Boeing contracts to provide crewed launch services to the space station as part of its Commercial Crew Programme.

According to the US space agency, this is a demonstration mission which, if successful, will allow SpaceX to take part in more manned missions.

SpaceX’s Falcon 9 rocket will take off from the launchpad 39A at the Kennedy Space Centre in Florida, carrying the Crew Dragon spacecraft where Mr Behnken, 49, and Mr Hurley, 53, will be seated.

Mr Behnken will serve as the mission’s joint operations commander and take responsibility for the rendezvous, docking and undocking of the Dragon capsule, while Mr Hurley will be in charge of the launch, landing and recovery of the vehicle in his role as the Crew Dragon spacecraft commander.

Ms Jackson told PA: ‘It’s going to be a 10-minute ride into space. After about two minutes, the rocket will separate into what is called a first stage and a second stage.’

The first stage will return to a SpaceX landing ship which will be stationed in the Atlantic Ocean off the coast of Florida, while the second part of the rocket continues the journey with the Crew Dragon capsule.

Once in orbit, the capsule will separate from the second stage and travel at around 17,000mph before being in a position to rendezvous, and dock, with the space station 24 hours later.

Ms Jackson told PA: ‘The crew will dock at the front of the space station and we expect to see that on Thursday afternoon.

‘Then, about an hour and a half later the hatch will open and the crew will arrive on the space station.’

The astronauts will join the three other space station residents – Nasa’s Chris Cassidy and Russia’s Anatoli Ivanishin and Ivan Vagner – to become members of the Expedition 63 crew.

The mission is expected to last anything between one and four months where they will perform further tests on the Crew Dragon.

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