Tag: International Space Station

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Computer scrubs crewed launch of Starliner space taxi

Atlas V rocket with Starliner space capsule
An Atlas V rocket, topped by Boeing’s Starliner space capsule, stands on its Florida launch pad. (NASA via YouTube)

For the second time in a month, the first crewed launch of Boeing’s Starliner space capsule to the International Space Station was called off while the crew members were in their seats, waiting for liftoff.

The hold was automatically triggered by the launch-pad computer system that manages the final minutes of the countdown for Starliner’s launch vehicle, an Atlas V rocket provided by United Launch Alliance.

The ground launch sequencer forced an end to today’s launch attempt at Cape Canaveral Space Force Station in Florida with just three minutes and 50 seconds remaining in the countdown. Mission managers started investigating what triggered the alarm even as the launch pad team began the process of helping NASA astronauts Butch Wilmore and Sunita Williams out of the capsule.

United Launch Alliance CEO Tory Bruno said the automated launch sequencer triggered an alarm because a circuit card on one of three redundant computer racks came up about six seconds more slowly than the other two. That particular card controls activities that free up the rocket for liftoff.

“For that system, we do require all three systems to be running. … Two came up normally. The third one came up, but it was slow to come up,” Bruno said at a news briefing. “That tripped a red line that created an automatic hold.”

The NASA-ULA-Boeing team said it would pass up a launch opportunity on June 2 to give engineers more time to assess the situation. The computer problem could be due to faulty hardware, which would be relatively simple to swap out, or it could be a more complex issue involving network connections between the computers.

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Milestone flight of Boeing’s Starliner faces further delay

Boeing Starliner and Atlas V rocket on launch pad
Boeing’s Starliner space capsule sits atop its United Launch Alliance Atlas V rocket during preparations for launch. (ULA Photo)

Update for May 22: Mission managers say they are evaluating plans for the first crewed flight test of Boeing’s Starliner space taxi and are working toward a launch opportunity on June 1.

An initial attempt to send the gumdrop-shaped capsule and two NASA astronauts to the International Space Station had to be scrubbed on May 6 due to concerns about a fluttery pressure regulation valve on the Atlas V rocket’s upper-stage oxygen tank.

Starliner and the rocket were rolled back to the Vertical Integration Facility at Cape Canaveral Space Force Station’s Launch Complex 41 in Florida. The valve was replaced on May 11 and passed a round of tests — but along the way, engineers detected a small helium leak that was traced to a flange on one of the Starliner service module’s thrusters.

The launch teams at Boeing and NASA determined that the leak was stable. Now they are working on a follow-on assessment of the propulsion system to understand the potential impacts of the helium system on some of the return scenarios for Starliner. That assessment will be evaluated during a flight test readiness review that hasn’t yet been scheduled.

The earliest opportunity for a second launch attempt is now 12:25 p.m. ET (9:25 a.m. PT) on June 1, with additional opportunities on June 2, 5 and 6. The launch teams had previously targeted May 21 and May 25 for liftoff.

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First crewed flight of Boeing’s Starliner put on hold

Atlas V rocket with Starliner space taxi
Boeing’s Starliner space taxi sits atop a United Launch Alliance Atlas V rocket on its Florida launch pad. (ULA Photo)

The first crewed flight of Boeing’s Starliner space taxi was postponed today due to concerns about a valve on the upper stage of United Launch Alliance’s Atlas V rocket. It was the latest in a years-long string of delays for what’s expected to be a milestone mission for Boeing and commercial spaceflight.

Liftoff had been set for 10:34 p.m. ET (7:34 p.m. PT) today from Cape Canaveral Space Force Station’s Space Launch Complex 41 in Florida. But launch managers called a hold with a little more than 2 hours left in the countdown, after NASA astronauts Butch Wilmore and Sunita Williams had already climbed into the capsule.

“The team has had some observations on an oxygen relief valve on our Centaur second stage, and the team is just not comfortable with the signatures that they’re seeing, the response out of that valve,” United Launch Alliance’s Dillon Rice said. “So, out of an abundance of caution, we are not going to continue with our launch operations today.”

The astronauts climbed out of the capsule and headed back to their quarters. Meanwhile, ULA engineers checked into the balky valve, which didn’t stay closed properly during preparations for launch and made a buzzing noise. The ULA team decided to replace the valve, which led mission managers to schedule the next launch attempt for no earlier than May 17.

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Space leaders meet to set a course for research in orbit

NASA astronaut Woody Hoburg on ISS with robotic free-flyer
NASA astronaut Woody Hoburg monitors a cube-shaped Astrobee robotic free-flyer on the International Space Station. (NASA Photo)

About 900 members of the space community — including astronauts, government officials, researchers and industry professionals — are converging on Seattle this week for the International Space Station Research and Development Conference.

But this week’s ISSRDC event is about more than just the ISS.

The 12th annual conference, which is being held in the Pacific Northwest for the first time, comes as NASA and its commercial partners are making plans for privately operated outposts that will take the place of the ISS when it’s brought down from orbit. That fiery retirement party is currently set for the 2030-2031 time frame..

“We’re at that critical juncture,” said Patrick O’Neill, marketing and communications manager for the Center for the Advancement of Science in Space, or CASIS. The center manages the activities that the ISS takes on in its role as a national laboratory, and is the organizer of the ISSRDC.

For now, the ISS is one of only two space stations in low Earth orbit, or LEO. (The other one is China’s Tiangong space station.) But the next seven years are likely to see the launch of multiple commercial LEO destinations, which have come to be known as CLDs in NASA’s three-letter-acronym parlance. One of those CLDs could well be Orbital Reef, which is currently under development by a consortium that includes Jeff Bezos’ Blue Origin space venture.

“This conference is a great opportunity for us to learn about future avenues of inquiry that could be advantageous for other government agencies, and ways for us to build on the science that’s been done previously, so that we can segue toward those CLDs,” O’Neill told me.

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Astronaut musicians create a show that’s out of this world

Bandella on stage
Several astronauts play in Bandella, a “world acoustic” band that’ll be in Seattle this week. (Bandella Photo)

Astronauts have been making music in orbit for almost 60 years, but at least some of the members of a band called Bandella prefer to think of themselves as musicians who just happened to become astronauts.

“We were musicians before we got into the astronaut corps,” one of the band’s founders, Canadian astronaut Chris Hadfield, told me.

Bandella’s Seattle concerts, set for July 29 at the Museum of Flight, won’t be your typical summer music tour. The event will feature some space-themed tunes — including David Bowie’s “Space Oddity,” which went viral when Hadfield recorded a tribute performance on the International Space Station in 2013. There’ll also be a Q&A session during which the musicians recount their experiences in space.

Hadfield said it’s only natural that astronauts bring music with them when they go into orbit. “We’re just people, multifaceted,” he said. “And when you’re a long way from home, you know, you need art and music in amongst all the busyness.”

It’s also natural for astronauts to share their out-of-this-world experiences via the creative channels that they’ve developed throughout their lives. “A lot of it goes back to when you have been so incredibly lucky to have had the experiences that the members of the band have had. What do you do with those experiences? How do you explain it, and make it part of your own life, and not just a weird perturbation?” Hadfield said.

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Axiom crew finishes space station science mission

Axiom Space crew on International Space Station
Axiom Space crew members Rayyanah Barnawi, John Shoffner, Peggy Whitson and Ali Alqarni discuss their mission. (NASA via Axiom Space)

The second crew to be sent into space as a profit-making proposition for Texas-based Axiom Space came back to Earth tonight in a SpaceX Crew Dragon capsule after spending nine days on the International Space Station.

The Ax-2 trip came a year after Axiom’s first crewed space mission, and marked several firsts: Former NASA astronaut Peggy Whitson became the first woman to command a private-sector space mission as Axiom’s director of human spaceflight, and mission specialist Rayyanah Barnawi became the first Saudi woman in space.

Tennessee business executive John Shoffner and Saudi fighter pilot Ali Alqarni rounded out the crew. Shoffner paid his own fare, which was thought to amount to tens of millions of dollars, while Barnawi and Alqarni flew with the backing of the Saudi government.

The trip began on May 21 with the launch of a SpaceX Falcon 9 rocket from Florida, and ended today with the crew’s departure from the space station and splashdown in the Gulf of Mexico off the Florida coast. While crew members waited for a recovery ship to pick up their Dragon capsule, which was dubbed Freedom, Whitson described the descent from orbit as a “phenomenal ride” — the same phrase she used after liftoff.

“We really enjoyed all of it,” she told SpaceX’s Mission Control.

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SpaceX sends Axiom’s crew No. 2 to the space station

SpaceX Falcon 9 launch
SpaceX’s Falcon 9 rocket rises from its pad, sending four astronauts into space. (Axiom Space via YouTube)

SpaceX and Axiom Space teamed up today to send four spacefliers — including the first Saudi woman in orbit — to the International Space Station for a 10-day trip focusing on zero-gravity research.

SpaceX’s two-stage Falcon 9 rocket lifted off from NASA’s Kennedy Space Center in Florida at 5:37 p.m. ET (2:37 p.m. PT) at the end of a trouble-free countdown, sending a Crew Dragon capsule toward a space station rendezvous.

After stage separation, the Falcon 9’s first-stage booster flew itself back to a landing zone near the launch pad while the second stage pushed the Crew Dragon into orbit. That marked the first time a Falcon 9 booster made a touchdown on land (as opposed to at sea) after launching a crewed mission.

“It was a phenomenal ride,” Axiom mission commander Peggy Whitson, a former NASA astronaut who holds the U.S. record for cumulative time in space, told Mission Control from zero-G.

The mission, which is Texas-based Axiom Space’s second expedition to the space station, combines public and private-sector initiatives: NASA, SpaceX and Axiom are coordinating operations in orbit. Mission pilot John Shoffner, a Tennessee business executive who’s also a race car driver and competitive skydiver, purchased one of the seats on the Crew Dragon at a cost that’s thought to be somewhere in the range of $55 million.

The Saudi government is paying the fare for the Ax-2 mission’s two other crew members: Rayyanah Barnawi, Saudi Arabia’s first female spaceflier, is a biochemist specializing in stem cell research. Ali Alqarni is a Saudi Air Force fighter pilot. Only one other Saudi citizen has previously been to space: Prince Sultan bin Salman Al-Saud, who flew on the shuttle Discovery in 1985.

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Experiment blazes a trail for growing stem cells in space

Photomicrograph of induced pluripotent stem cells
A live colony of human induced pluripotent stem cells fills the screen of a microscope. (Allen Institute Photo)

Space: The final frontier … for stem cells? Seattle’s Allen Institute for Cell Science says cells from its collection are going into space for the first time on a private mission to the International Space Station.

The Allen Cell Collection’s assortment of human induced pluripotent stem cells, or IPSCs, will be the focus for one of more than 20 experiments being sent into orbit on a flight organized by Texas-based Axiom Space.

Former NASA astronaut Peggy Whitson will command the Ax-2 mission — Axiom’s second trip to the space station — and her crewmates will include Tennessee business executive John Shoffner as well as Saudi astronauts Ali Alqarni and Rayyanah Barnawi.

SpaceX’s Falcon 9 rocket will loft the crew into orbit in a SpaceX Crew Dragon capsule for what’s expected to be a weeklong stay on the station. Liftoff is set for May 21 at 5:37 p.m. ET (2:37 p.m. PT) at NASA’s Kennedy Space Center in Florida. The fare for each rider on last year’s Ax-1 mission was around $55 million, and although the ticket price for Ax-2 hasn’t been announced, it’s probably in a similar range.

The stem-cell study is part of a series of NASA-funded experiments led by researchers at Cedars-Sinai Medical Center in Los Angeles. This experiment is expected to break new ground when it comes to growing IPSCs in space and modifying the cells’ DNA for therapeutic purposes.

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U.S.-Saudi crew wins approval for space station trip

Ax-2 crew portraits
The Ax-2 crew includes, from left, Peggy Whitson, John Shoffner, Ali AlQarni and Rayyanah Barnawi. (Axiom Space Photos)

NASA and its international partners have approved the crew lineup for Axiom Space’s second privately funded mission to the International Space Station — a lineup that includes the first Saudi woman cleared to go into orbit.

Two of the former crew members — former NASA astronaut Peggy Whitson and John Shoffner, a Tennessee business executive, race car driver and aviator — had previously been announced.

They’ll be joined by Ali AlQarni and Rayyannah Barnawi, representing Saudi Arabia’s national astronaut program. Only one other Saudi citizen — Sultan bin Salman Al Saud, who flew on the space shuttle Discovery in 1985 — has ever been in space. The 10-day Axiom Space mission, known as Ax-2, is currently scheduled for this spring.

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Axiom Space aims to fly first Saudi female astronaut

Illustration: Crew Dragon at ISS
An illustration shows SpaceX's Crew Dragon capsule approaching the International Space Station. (Credit: SpaceX)

Axiom Space says it’s working with the Saudi Space Commission to send two spacefliers from the Arab kingdom, including the first Saudi woman to go into orbit, to the International Space Station as early as next year.

The inclusion of a female astronaut is particularly notable for Saudi Arabia — where women were forbidden to drive motor vehicles until 2018, and where the status of women is still a controversial subject.

Houston-based Axiom Space and the Saudi Space Commission announced their partnership today at the International Astronautical Congress in Paris. In a news release, the Saudi commission said its participation in Axiom’s Ax-2 mission is part of the nation’s effort “to conduct scientific experiments and research for the betterment of humanity in priority areas such as health, sustainability and space technology.” It acknowledged that including a woman astronaut “will represent a historical first for the Kingdom.”

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