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Virgin Galactic to Unveil New Spaceship

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British billionaire Richard Branson poses in front of a model of the Virgin Galactic, the world?s first commercial spaceline, at the Farnborough International Airshow in Hampshire, southern England, on July 11, 2012. Virgin Galactic announced ?LauncherOne,? a new air-launched rocket specifically designed to deliver small satellites into orbit. Commercial flights of the new orbital launch vehicle are expected to begin by 2016, Virgin Galactic aims to offer frequent and dedicated launches at the world?s lowest prices. AFP PHOTO / ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/GettyImages)

British billionaire Richard Branson poses in front of a model of the Virgin Galactic, the world?s first commercial spaceline, at the Farnborough International Airshow in Hampshire, southern England, on July 11, 2012. Virgin Galactic announced ?LauncherOne,? a new air-launched rocket specifically designed to deliver small satellites into orbit. Commercial flights of the new orbital launch vehicle are expected to begin by 2016, Virgin Galactic aims to offer frequent and dedicated launches at the world?s lowest prices. (Photo credit: ADRIAN DENNIS/AFP/GettyImages)

(CNN) — Virgin Galactic’s race to become the first major private space tourism company just got closer to reality. After more than three years of construction, Richard Branson’s company is expected to unveil a new spaceship Friday at the Mojave Air and Space Port in California. It will be a replacement for the one that crashed in 2014 killing a test pilot.

In a press release Thursday, the company called the new craft by the same name as the one that crashed: SpaceShipTwo. And Virgin Galactic said that because of that crash, much more testing will be done before SpaceShipTwo takes a solo flight:

“If you are expecting SpaceShipTwo to blast off and head straight to space on the day we unveil her, let us disillusion you now: this will be a ground-based celebration,” according to the press release.

The company said the new vehicle is very similar to its predecessor so it will “benefit from incredibly useful data from 55 successful test flights as well as the brutal but important lessons from one tragic flight test accident.”

Once the craft has fully checked out, Virgin Galactic plans to use it to ferry passengers up 50 miles above Earth’s surface — a height the company said will qualify them as “bona fide space tourists.”

“One of the things that I think is most powerful is that we’ll be able to get a new perspective on our planet as hundreds and eventually millions of people are able to go into space,” said George Whitesides, the company’s CEO.

More than 700 people have signed up to fly on Virgin Galactic — even though the company requires $250,000 up front for a seat.

So when will passenger flights begin? The company’s tweets and press release are noticeably short on dates. And it stresses the company is not in any hurry.

Here are some of the key things that Virgin Galactic have said will happen next:

• After the ground tests are done, SpaceShipTwo will be flown on the back of its mothership, WhiteKnightTwo.

• Next comes glide testing: The craft flies like a glider from an altitude of 45,000+ feet (8 miles) while pilots test its handling.

• Rocket-powered test flights are next, each flight going a little higher and a little faster. When it crosses 100,000 feet (19 miles), SpaceShipTwo will be above 99% of the atmosphere and the pilots will experience weightlessness.

• When it reaches 50 miles (80 kilometers), the pilots will have met NASA and the U.S. Air Force’s requirements for official astronaut status, and they will be recognized by the Virgin Galactic team and by the U.S. government as bonafide space travelers.

The company said it has made many updates to their craft — the most important being the feather inhibitor. The plane’s feathers are a critical component of its re-entry system. The tragic accident that occurred in 2014 was a result of the feathers being prematurely being unlocked.

“The actual accident itself was caused by a control being moved when it shouldn’t have,” said Dave Mackay, the chief pilot for Galactic. “We’ve implemented a new system, which prevents that from ever happening again. So it’s physically impossible to move that control at the point that it was moved during the accident.”

While some of their competitors’ ships, such as New Shepard from Jeff Bezos’s Blue Origin, don’t have pilots and instead rely on automation, Virgin Galactic’s system is entirely dependent on the skill of its pilots.

“The pilots are controlling what the vehicle does at any stage,” Mackay said. “It’s all dependent on the pilot.”

Mackay said this strategy was pursed by the company for simplicity: “The responsibility is high. But the reason that we’ve done it in the first place is to keep everything as simple as possible. The rationale is if you have a simple system, it’s less likely to fail, and is therefore inherently safer.”

Becoming a member of Virgin’s elite pilot corps is no easy feat. Virgin has five pilots, whose resumes all have the “right stuff” — military, commercial, and test flying experience. Mackay himself has flown over 140 different types of aircraft.

When asked what it takes to be a Virgin Galactic pilot, Mackay said, “We look for the most experienced test pilots that we can get. Test flying is important, because we’re in the test and development phase of the vehicle. And we’re doing something which is unique. It’s very, very unusual.”

Virgin’s pilots also undergo intense training, using a sophisticated simulator until the spaceship is operational. And while it will never be quite the same as actually being in space, Mackay said the time in the simulator is extremely valuable: “This is as close as you can get to actually recreating it. You can’t simulate the high G forces that we will feel during the rocket motor burn. And of course you can’t simulate the extended zero G experience. You couldn’t do that in any simulation sort of device. But this is a hugely valuable tool for practicing flying the vehicle, how you operate it, how you operate it efficiently, and how the systems work, and what to do if a particular system or component might fail.”

And not only is the simulator work valuable for pilot training, but it also helps with the actual spaceship design process: “A lot of the the work that we’ve done improving the vehicle, and developing the vehicle is done in the simulator first of all. And then if we like what we’ve seen in the simulator we incorporate it in the actual vehicle itself.”

Even when SpaceShipTwo finally takes up its first passengers, it won’t be the first time civilians have gone to space. The world’s first paying space tourist was American businessman and former NASA engineer Dennis Tito.

Tito flew to the International Space Station in 2001. His ride up? A Russian Soyuz rocket. He paid $20 million for the trip.

Six other people also flew as tourists to the space station.

Now that the new SpaceShipTwo is closer to flying, the dream of civilian space travel for the non-millionaire crowd is closer to reality.

“It’s a significant moment I think in aviation history,” said Mackay. “This is the vehicle that is going to take many hundreds of regular people into space for the first time.”