The biggest rocket ever made is GO! Nasa and Boeing sign $2.8bn deal to build SLS to to take us to Mars


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Nasa's vast SLS rocket, which will launch payloads of upto 130 tonnes into orbit and could make its first flight in 2017.

Nasa's vast SLS rocket, which will launch payloads of upto 130 tonnes into orbit and could make its first flight in 2017.

It is set to become the largest rocket ever built, dwarfing the rockets that took man to the moon and paving the way for manned missions to Mars.

Nasa today said it has signed a $2.8 billion contract with Boeing to build the giant rocket it is hoped will take us into deep space.

It comes as the team complete the Critical Design Review (CDR) on the core stage – the last major review before full production begins.

'Our teams have dedicated themselves to ensuring that the Space Launch System (SLS) – the largest ever - will be built safely, affordably and on time,' said Virginia Barnes, Boeing SLS vice president and program manager.

'We are passionate about NASA's mission to explore deep space.

'It's a very personal mission, as well as a national mandate.'

This milestone marks NASA's first CDR on a deep-space human exploration launch vehicle since 1961, when the Saturn V rocket underwent a similar design review as the United States sought to land an astronaut on the moon.

Scheduled for its initial test flight in 2017, the SLS is designed to be flexible and evolvable to meet a variety of crew and cargo mission needs.

The initial flight-test configuration will provide a 77-ton capacity, and the final evolved two-stage configuration will provide a lift capability of more than 143 tons. 

The rocket will be used to ferry astronauts to the International Space Station, and to help us explore the outer reaches of the solar system.

'The potential use of SLS for science will further enhance the synergy between scientific exploration and human exploration,' said John Grunsfeld, astronaut and associate administrator for science at NASA Headquarters in Washington.

'SLS has the promise of enabling transformational science in our exploration of the solar system and cosmos.'

Currently under construction, NASA's Space Launch System will be the world's most powerful launch vehicle.

Designed to enable human exploration missions to deep space destinations, including an asteroid and Mars, SLS is working toward a first launch in 2017.

For that first flight test, the rocket will be able to launch 70 metric tons (77 tons) of payload into low-Earth orbit, almost three times what the space shuttle could carry.

From there, SLS will be evolved to a configuration that will be able to carry 130 metric tons (143 tons), more weight than any rocket ever has been able to carry.

'While many people think of the Space Launch System in terms of human exploration, SLS could have a wide application in a lot of other areas, including space science," said Steve Creech, assistant program manager for strategy and partnerships for SLS.

How it compares: The SLS is larger than the Saturn rockets than launched man to the Moon. It will also be more powerful than any rocket in operation today. Russia's super-rocket design has yet to be unveiled. However construction of the first stage of Russia's super-rocket - capable of lifting 80 tonnes - is already underway

How it compares: The SLS is larger than the Saturn rockets than launched man to the Moon. It will also be more powerful than any rocket in operation today. Russia's super-rocket design has yet to be unveiled. However construction of the first stage of Russia's super-rocket - capable of lifting 80 tonnes - is already underway

Nasa's previous rockets, the Saturn, Shuttle and right, the smaller configuration of the new SLS

Nasa's previous rockets, the Saturn, Shuttle and right, the smaller configuration of the new SLS

SLS STATS

There will be two versions of the rocket.

The smaller, 70-metric-ton SLS will stand 321 feet tall, provide 8.4 million pounds of thrust at liftoff, weigh 5.5 million pounds
and carry 154,000 pounds of payload.

The massive 130-metric-ton-configuration will be the most capable, powerful launch vehicle in history.

Towering a staggering 384 feet tall, it will provide 9.2 million pounds of thrust at liftoff and weigh 6.5 million pounds.

It will be able to carry payloads weighing 286,000 pounds to orbit.

'For missions to the outer planets, for example, SLS could make it possible to do things that are currently impossible, such as sending larger scientific spacecraft with more instruments to far off destinations with reduced transit times.'

Agency scientific and engineering teams have been evaluating whether there would be potential benefits from launching deep space robotic spacecraft, such as the Europa Clipper, a proposed mission to one of Jupiter's icy moons, on the SLS rocket, and determined the rocket would enable the spacecraft to fly direct trajectories to our solar system's outer planets, rather than using planetary gravities to gain speed, reducing transit time compared to current launch vehicles.

In the case of the Europa Clipper, for example, the transit time would be reduced to less than half of what it would be using other launch vehicles.

'For as long as people have been launching rockets into space, mission designers have had to work within certain limitations – a spacecraft can only be so heavy and it has to fit within a certain width," Creech said.

'Depending on how large you make it, it can only go so fast, which in some cases limits where you can go.

'Today, if you want to send a mission to the outer planets, you have to be able to make it fit within that box. With SLS, we're about to make that box much larger.

An artist's impression of the giant rocket taking off

An artist's impression of the giant rocket taking off

An artist's impression of the vast hanger needed to set the rocket up for flight

An artist's impression of the vast hanger needed to set the rocket up for flight

'With the space shuttle, for example, we were able to launch missions like NASA's Hubble Space Telescope that were about the size of a school bus.

'With SLS, you can design a spacecraft even larger than the space shuttle that carried Hubble.

'It's going to open up an entirely new way of thinking about how we plan and design planetary science missions.'

'The Space Launch System could be really game-changing for space science," said ACO manager Reggie Alexander.

'For some missions, it makes it much easier and quicker to carry them out.

'A Mars sample return mission, for example, could be flown using only one rocket instead of three.

'But for other destinations, SLS lets you do things we could only dream of before – like collecting samples from the geysers of Saturn's moon Enceladus.'

The top section of the rocket

The top section of the rocket

The pieces that make up Nasa's mega-rocket in its first configuration

The pieces that make up Nasa's mega-rocket in its first configuration



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