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NASA-SpaceX ends a nine-year launch drought in the US by successfully launching two astronauts
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  • NASA-SpaceX ends a nine-year launch drought in the US by successfully launching two astronauts

NASA-SpaceX ends a nine-year launch drought in the US by successfully launching two astronauts

tech2 News Staff • June 1, 2020, 12:28:55 IST
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Astronauts Bob Behnken and Doug Hurley are on their way to the ISS and will dock automatically around 7.00 pm IST, 19 hours after the lift-off.

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NASA-SpaceX ends a nine-year launch drought in the US by successfully launching two astronauts

Update: At 7.47 pm IST on 31 May, test pilots Doug Hurley and Bob Behnken, **reached the International Space Station** .  It’s a Go! After a failed first attempt, it seems that second time is a charm for SpaceX-NASA joint human space mission. The Crew Dragon was launched atop the Falcon 9 rocket and this is a test flight called Demonstration 2 or Demo 2. After a nine-year drought, since Space Shuttle program was shut down in 2011, NASA has finally launched its own astronauts from American soil with the help of its public-private partnership with SpaceX. [caption id=“attachment_8429621” align=“alignnone” width=“1024”]The SpaceX Falcon 9 launches from the Launch Complex 39A from the Kenndy Space Centre, The SpaceX Falcon 9 launches from the Launch Complex 39A from the Kenndy Space Centre, Image credit: NASA/Youtube[/caption] The NASA-SpaceX joint human spaceflight was **scheduled for liftoff on Thursday, 28 May** , 2.00 am IST (Wednesday, 27 May at 4.32 pm EDT) from the Launch Complex 39A from the Kenndy Space Centre, Florida which was also the launch site for the previous Apollo and Space Shuttle missions and was leased by SpaceX. Due to bad weather, the launch had to be rescheduled on Sunday, 31 May, 12.52 am IST (May 30 at 3:22 p.m. EDT). Astronauts  **Bob Behnken and Doug Hurley**  are on their to the International Space Station and will dock automatically around 7.00 pm IST, 19 hours after the lift-off.

We have liftoff. History is made as @NASA_Astronauts launch from @NASAKennedy for the first time in nine years on the @SpaceX Crew Dragon: pic.twitter.com/alX1t1JBAt

— NASA (@NASA) May 30, 2020

There were a lot of doubts if the launch was going to happen today as the weather seems pretty similar to Thursday - cloudy with some rain and chances of lightning. However, 45 minutes before the launch, mission director gave the team the all-clear for the launch and 10 minutes later the propellant was being loaded into the two-stage rocket. President Donald Trump and Vice President Michael Pence also present for the launch like they were for the wet rehearsal as well. Space.com reports that Trump told reporters ’that he felt an obligation as president to watch the historic liftoff.'

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Elon Musk, CEO of SpaceX was surprisingly missing. Thursday, Musk was seen talking to the astronauts after they suited up in the crew quarters, he was also seen standing with Pence and Bridenstine at the behind exit when the astronauts were leaving the building. He even has a couple of interviews with NASA chief Jim Bridenstine. However, this time around Musk had been replaced with former astronaut and current Director of Kennedy Space Center, Bob Cabana and Jim Morhard, Deputy Administrator at NASA.

Post-launch sequence

About 2.5 minutes after liftoff, the **first stage booster** will detach from the rocket and return to Earth. It will land on SpaceX’s drone ship called “Of Course I Still Love You” that is stationed in the Atlantic Ocean, off the coast of Florida. Following that, the second stage will also detach from the Crew Dragon capsule. The Dragon will then orbit the Earth and undertake a series of what are known as ‘phasing burns’ i.e. re-ignite its engines to propel it to the next level in order to play catch-up with the ISS, that is travelling at a speed of 7.66 km/s.

#Falcon9 is two-stage flight.
It is a 9-minute ride to orbit.
21/2 minutes into the flight, first stage will separate.
8 minutes in, second stage will separate.
Dragon's engines will take over and make necessary altitude adjustments.
It will be a 19 hour to @Space_Station

— Tech2 (@tech2eets) May 30, 2020

Dragon is supposed to automatically dock with the ISS after 19 hours of raising its altitude to match that of the ISS. The astronauts will have a sort of a welcoming ceremony waiting for them. Hurley and Behnken will stay on the ISS for anywhere between one to four months doing science experiments and helping in the upkeep of the station. Once NASA deems it is a good time to return, the astronauts will then begin their journey back home. They will strap in and undock from the ISS. Before it re-enters the Earth’s atmosphere, the Crew Dragon will lose its trunk. This, like the second stage, will not be returning to Earth.

Now, over the next couple of hours, the eight engines will undertake a series of 'burns' in order to raise the orbit in order to play catch-up with the @Space_Station. After a 19 hour journey, Dragon will automatically dock with the ISS.

— Tech2 (@tech2eets) May 30, 2020
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The re-entry of the dragon will look somewhat scary, like a ball of fire but the heat-shields will ensure no harm comes to the astronauts. Four Mark 3 Parachutes will be deployed that will slow down the entry of the vehicle, and Dragon will splashdown in the Atlantic Ocean. The astronauts will be fished out of the water along with the Dragon capsule, which will be inspected at the Cape Canaveral facility in Florida.

Mission Background

Hurley, 53 and Behnken, 49 have extensive experience in space and have been involved in NASA’s Space Shuttle flights. Behnken will be the joint operations commander in this mission and was selected as a NASA astronaut in 2000. He has completed two space shuttle flights - STS-123 in March 2008 and STS-130 in February 2010 and performed three spacewalks during each mission. Hurley was selected as a NASA astronaut in 2000 and will be the spacecraft commander for Demo-2. He has completed two spaceflights - STS‐127 in July 2009 and STS‐135, the final space shuttle mission, in July 2011. He was the pilot and lead robotics operator for both missions. [caption id=“attachment_8429631” align=“alignnone” width=“1280”]Astronauts Bob Behnken and Doug Hurley stand on the launch pad before they enter the Crew Dragon capsule. Image credit: NASA/Youtube Astronauts Bob Behnken and Doug Hurley stand on the launch pad before they enter the Crew Dragon capsule. Image credit: NASA/Youtube[/caption] NASA awarded two commercial crew program contracts in 2014 NASA and Boeing to develop a spacecraft that will be able to carry people to space by 2017 - Boeing got $ 4.2 billion for its Starliner capsule and SpaceX got $2.6 billion for Crew Dragon. The Demo-2 mission is almost three years behind schedule for this launch. Crew Dragon is capable of carrying up to seven passengers to and from Earth orbit, and beyond but will only be carrying four passengers during NASA human spaceflight launches. The capsule is about three metres in diameter and eight metres high and can carry 6,000 kgs. Before it was modified to carry human beings, SpaceX was using the Dragon as a cargo carrier, for resupply missions to the ISS. Like the rocket and crew capsule, even the astronaut suits were designed and produced in-house and is custom made to fit ever astronaut that will travel in Crew Dragon. The suits include a 3D-printed helmet and touchscreen-compatible gloves and is an integral part of the mission. It provides oxygen for the astronauts to breathe and also helps them in communicating with the ground team. SpaceX’s Falcon 9 is a partially-reusable two-stage-to-orbit launch vehicle. Its first stage is capable of re-entering the atmosphere and landing vertically after separating from the second stage, which is why it is partially re-usable. SpaceX successfully landed its first stage during its 20th flight in December 2015. The second stage of the rocket has a single-engine that can deliver its payload to whichever orbit is required. The engine can be restarted multiple times to deliver multiple payloads into different orbits. A two-stage-to-orbit or two-stage rocket launch vehicle is a spacecraft in which two distinct stages provide propulsion consecutively in order to achieve orbital velocity. Demo-2 is supposed to be the final test for SpaceX’s human spaceflight system before it can be certified by NASA for operational crew missions to and from the International Space Station. This mission will also lay the groundwork for all their future missions to the Moon, Mars, and beyond. This test flight will serve as an end-to-end demonstration of SpaceX’s crew transportation system.

Tags
Nasa Space Shuttle SpaceX Elon Musk International Space Station Astronaut ISS Space X Dragon SpaceX launch SpaceX Crew Dragon NASA Astronauts Crew Dragon Commercial Crew Program Robert Behnken demo 2 astronaut launch space x launch date spacex launch time NASA astronauts launch Douglas Hurley
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