Virgin Galactic Unity 22

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Virgin Galactic Unity 22
Virgin Galactic SpaceShipTwo "Unity" rollout 19Feb2016, FAITH hangar, Mojave, California.jpg
VSS Unity in February 2016
Mission typeCrewed suborbital spaceflight
Operator Virgin Galactic
Website www.virgingalactic.com
Apogee86.182 kilometres (53.551 miles)
Spacecraft properties
Spacecraft VSS Unity
Spacecraft type SpaceShipTwo
Manufacturer The Spaceship Company
Crew
Members
Start of mission
Launch date11 July 2021, 15:04 UTC
Launch site Spaceport America Runway 34
Deployed from VMS Eve
End of mission
Landing date11 July 2021, 15:40 UTC
Landing siteSpaceport America Runway 34
Virgin Galactic Unity 22 mission insignia.jpg
Spaceport America Unity 22 flight insignias
←  Unity 21
Unity 25  →
 

Virgin Galactic Unity 22 was a sub-orbital spaceflight of the SpaceShipTwo-class VSS Unity which launched on 11 July 2021. [1] The crew consisted of pilots David Mackay and Michael Masucci as well as passengers Sirisha Bandla, Colin Bennett, Beth Moses, and Richard Branson. [2]

Contents

Background

On 7 June 2021, Jeff Bezos announced that he planned to be on the first crewed flight of his company Blue Origin, which meant being aboard the first crewed flight to space (suborbital) of a private enterprise fully funded by private money with (2 possible different "record firsts" depending on whether one uses the international standard limit of space as 100 km altitude or the USA 50 mile altitude limit):

These two different "record firsts" are due to the fact that A) SpaceShipOne achieved the first crewed flight to space (suborbital, crossing the 100 km line) of a private enterprise fully funded by private money but with no passengers, only pilot, onboard and B) Virgin Galactic achieved the first crewed flight to space (suborbital, crossing the 50 mile line only) of a private enterprise fully funded by private money with 1 passenger onboard in addition to the pilots. [3] [note 1] In the following days, rumors began to spread that Richard Branson was filing paperwork to make a similar suborbital flight as part of his own private enterprise, beating Bezos to claim the above mentioned first achievements.

There has been debate whether Virgin Galactic, which gets close to, but possibly does not reach, the Kármán line, would in fact be achieving such a first commercial private flight to space. [4] The United States and NASA defines the border of space to be 50 miles (80.5 km) above sea level (which is approximately the minimum possible altitude a satellite on a highly elliptical Earth orbit can reach and sustain its velocity). Australia and the FAI define outer space as above 100 kilometres (62 mi).

Despite the rivalry (dubbed the "billionaire space race"), shortly before the flight, Bezos offered well wishes to Branson. [5] SpaceX founder and chief executive officer Elon Musk met with Branson shortly before the flight. [6]

Crew

Position Crew
Pilot Flag of the United Kingdom.svg David Mackay
Third spaceflight
Co-Pilot Flag of the United States.svg Michael Masucci
Second spaceflight
Passenger Flag of the United States.svg Sirisha Bandla
First spaceflight
Passenger Flag of the United Kingdom.svg Colin Bennett
First spaceflight
Passenger Flag of the United States.svg Beth Moses
Second spaceflight
Passenger Flag of the United Kingdom.svg Richard Branson
First spaceflight

Flight

At 8:40 AM MDT on 11 July 2021, Unity's mother ship VMS Eve took off carrying VSS Unity in a parasite configuration to be drop launched. During ascent a red warning light indicated a deviation from the ship's entry glide cone, but the flight was able to proceed and land successfully regardless. [7] Two minutes and 38 seconds after release from Eve, Unity reached apogee at a 282773 ft (ca. 86.189 km or 53.6 miles) altitude (below the FAI's space boundary, the Kármán line's upper border at 100 km altitude, but above the United States' space boundary at 50 mi (26400 ft) and just above the mesopause at 86.182 km (53.551 mi). [8] The persons on board experienced about four minutes of weightlessness. Unity then glided to a landing, 14 minutes and 17 seconds after release from Eve. [9]

Due to the entry glide cone deviation and a departure from the planned route, the flight would later come under investigation by the Federal Aviation Administration. Virgin Galactic disputed the safety impact of the deviation, and noted they were cooperating with the FAA in the investigation, in a public statement. [10] On September 2, 2021 it was publicly announced that SpaceShipTwo would be grounded by FAA order until the investigation into the flight deviance was complete. [11] Former Virgin Galactic test pilot Mark P. Stucky would publicly call out on Twitter the flight deviation and Virgin Galactic's response by saying: "The most misleading statement today was Virgin Galactic's. The facts are the pilots failed to trim to achieve the proper pitch rate, the winds were well within limits, they did nothing of substance to address the trajectory error, and entered Class A airspace without authorization." [12] The FAA cleared SpaceShipTwo flights to resume later in September, after deciding to expand the restricted aerospace around the vehicle's flight range. [13]

Firsts achieved

The 11 July 2021 flight was the first time more than three people flew suborbitally on a spaceflight and the first time more than one passenger flew on a suborbital spaceflight, and Branson was the first founder of a spaceflight company to fly to space on his own company's craft, using the USAF/NASA definition of space as above 50 miles.

Notes

  1. ↑ These kind of crewed suborbital private spaceflights of a private enterprise fully funded by private money had happened before, such as SpaceShipOne flights and Virgin Galactic's previous spacefligths in 2018, 2019 and earlier 2021 (see VSS Unity).

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References

  1. ↑ "Virgin Galactic Announces First Fully Crewed Spaceflight". Virgin Galactic . 1 July 2021. Archived from the original on 11 July 2021. Retrieved 12 July 2021.
  2. ↑ Howell, Elizabeth (10 July 2021). "Meet the crew launching on Virgin Galactic's 1st fully crewed flight Unity 22". Space.com . Retrieved 12 July 2021.
  3. ↑ Bartels, Meghan (7 June 2021). "Jeff Bezos will join passengers launching into space on Blue Origin's 1st crewed flight". Space.com . Retrieved 12 July 2021.
  4. ↑ Dunn, Marcia (1 July 2021). "Richard Branson announces trip to space, ahead of Jeff Bezos". Associated Press . Retrieved 11 July 2021.
  5. ↑ Boniello, Kathianne (11 July 2021). "Jeff Bezos offers well wishes to Richard Branson ahead of space launch". New York Post . Retrieved 11 July 2021.
  6. ↑ McFall-Johnsen, Morgan (11 July 2021). "Elon Musk showed up in Richard Branson's kitchen at 3 a.m. to wish him luck flying to the edge of space". Business Insider . Retrieved 11 July 2021.
  7. ↑ Schmidle, Nicholas (1 September 2021). "The Red Warning Light on Richard Branson's Space Flight". New Yorker.
  8. ↑ Virgin Galactic Unity 22 Spaceflight Livestream. Virgin Galactic. 11 July 2021. Event occurs at 56:51. Retrieved 11 July 2021– via YouTube.
  9. ↑ Gohd, Chelsea (11 July 2021). "Virgin Galactic launches Richard Branson to space in 1st fully crewed flight of VSS Unity". Space.com . Retrieved 12 July 2021.
  10. ↑ Berger,Eric (11 July 2021). "Spaceship carrying Richard Branson flew off course [Updated]" . Retrieved 12 July 2021.
  11. ↑ Shepardson, David (2 September 2021). "U.S. bars Virgin Galactic rocket plane flights pending mishap probe". Reuters.
  12. ↑ @Stuck4ger (2 September 2021). "The most misleading statement today..." (Tweet) – via Twitter.
  13. ↑ Foust, Jeff (29 September 2021). "FAA clears Virgin Galactic to resume SpaceShipTwo flights".
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