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SpaceX, NASA ready for first astronaut launch from US soil in nearly a decade

A SpaceX Falcon 9 rocket is set to launch May 27, carrying two astronauts to the space station and back. Credit: NASA/Joel Kowsky

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5 years ago

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NASA and SpaceX have confirmed that the private spaceflight company’s historic astronaut launch is officially set to blast off on May 27, marking the return of human spaceflight to U.S. soil for the first time since 2011.

During the mission, known as Demo-2, NASA astronauts Bob Behnken and Doug Hurley will launch to the International Space Station on a SpaceX Falcon 9 rocket. This flight will mark the first time astronauts have launched from American soil in nearly a decade, following the retirement of the shuttle program.

It is also the final test flight of SpaceX’s Crew Dragon spacecraft. If all goes as planned, the gumdrop-shaped capsule will carry a crew of four astronauts later this year.

Liftoff for Demo-2 is set for 4:32 p.m. EDT (2032 GMT) from NASA’s historic launch pad 39A at the agency’s Kennedy Space Center in Florida — the same site that hosted NASA’s storied Apollo and shuttle programs.

https://twitter.com/JimBridenstine/status/1251178705633841167?s=20

NASA has not set a specific duration for the mission yet; that will likely be determined once the crew arrives on station. NASA launched a new web page dedicated to the mission, describing it as simply “an extended stay at the space station,” for now.

Behnken and Hurley will join fellow NASA astronaut Chris Cassidy, who launched to the station on April 10. Many of the details are still being ironed out, but we do know that Hurley will be the mission’s commander, and Behnken will serve as joint operations commander. Each will be tasked with specific duties during flight, with Hurley focusing on launch, landing, and recovery. Behnken will handle docking and undocking, as well as any activities while the Dragon is docked with the station.

Once the crew finishes its mission, Behnken and Hurley will return to Earth, splashing down in the Atlantic Ocean, off the Florida coast. From there, the capsule will be retrieved by a SpaceX recovery ship.

SpaceX’s Crew Dragon spacecraft has won its first real space tourism contract, scheduled to launch perhaps just a year or so from now. (SpaceX/NASA)

SpaceX made history in 2012 by becoming the first private company to send a spacecraft to the International Space Station. Now, that cargo-carrying Dragon has been upgraded to carry a new type of cargo: people.

To prepare for the historical journey, SpaceX had to prove that the craft was capable and safe to transport astronauts. To that end, the company launched an uncrewed test flight in March 2019. Dubbed Demo-1, that mission was a huge success, with the Crew Dragon capsule performing as expected.

Earlier this year, in January, SpaceX completed a crucial test of the Falcon and Dragon’s safety system. Known as a launch escape system, the technology is designed to push the capsule to safety in the event something goes wrong during the climb to orbit. Musk and NASA described that launch as “picture-perfect.”

Technicians prepare SpaceX’s Crew Dragon Demo-2 spacecraft for its historic launch debut in February 2020. (SpaceX)

That brief test was the last major hurdle that SpaceX had to complete before it was given the go-ahead to launch the crewed test flight. In the intervening months, the crew, as well as team members in launch control, have been busy running simulations and practicing essential launch day procedures.

While SpaceX will be the first to launch people, they are not alone in the quest to return human spaceflight to American soil. In 2014, NASA selected SpaceX and Being to design and build spaceships capable of transporting astronauts to and from the space station. Boeing launched its uncrewed test flight in December 2019; however, that flight failed to reach the station because of some issues with the vehicle’s software.

As such, Boeing has decided to fly a second uncrewed flight before astronauts climb aboard its Starliner spacecraft.

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SpaceX and Elon Musk explain potential reasons for Starship loss

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2 months ago

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January 17, 2025

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Credit: SpaceX

SpaceX and its CEO Elon Musk are starting to shed some light on the potential reasoning for the loss of Starship yesterday, which was lost after a successful launch and catch of the lower-stage booster.

Starship was lost during its ascension, and debris rained down over the Caribbean less than an hour after SpaceX lost all communication with the spacecraft.

A few hours after the launch was over, SpaceX started to shed some light after looking at preliminary data that the rocket left behind.

The company said that a fire developed in the aft section of Starship:

“Following stage separation, the Starship upper stage successfully lit all six Raptor engines and performed its ascent burn to space. Prior to the burn’s completion, telemetry was lost with the vehicle after approximately eight and a half minutes of flight. Initial data indicates a fire developed in the aft section of the ship, leading to a rapid unscheduled disassembly with debris falling into the Atlantic Ocean within the predefined hazard areas.”

Additionally, Musk said that there was some sort of oxygen or fuel leak in the cavity above the ship engine firewall.

The leak was evidently large enough to build more pressure than the vent was able to handle:

Some also seemed to recognize evidence of fires throughout the flight of Starship, which is obviously an anomaly:

There will be more information regarding the loss of Starship in the coming days and weeks, but Musk already believes that a bit of fire suppression and more volume in the cavity above the ship engine firewall could fix the issue.

“Nothing so far suggests pushing next launch past next month,” he said, so Flight 8 could happen sometime in February.

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SpaceX completes second catch of lower stage, but loses Starship

Published

2 months ago

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January 16, 2025

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Credit: SpaceX

SpaceX completed its seventh launch of Starship on Thursday, accomplishing a clean liftoff and catch of the first-stage booster. However, the upper stage was lost after its ascent.

The launch took place just a few minutes after 5 p.m. on the East Coast, as the first attempts at getting Starship in the air for the seventh time were delayed by weather both last week and this week.

Conditions were favorable on Thursday as SpaceX looked to follow up a successful campaign by Blue Origin, Jeff Bezos’s company, earlier today.

SpaceX went into the seventh Starship launch with plans for a catch attempt of the first-stage booster, something it attempted and completed during the fifth test launch last year. It decided to skip a catch attempt with the sixth test flight as conditions were not aligned.

For now, SpaceX is extremely selective as to when it attempts catches.

However, it was successful during this attempt, its second completed catch:

This flight differed from previous launches as SpaceX rolled out several improvements to the rocket and the processes as it featured plans to do a Starlink deployment simulation and had various adjustments to flap placement and avionics.

These plans were disrupted by the fact that SpaceX lost all communications with Starship about ten minutes into the flight, which the aerospace company confirmed was a result of losing the spacecraft sometime during its ascent.

Although the catch was successful, the loss of the actual rocket seemed to be a huge damper on the entire event. SpaceX confirmed several minutes after the loss of communications that the rocket was destroyed and was lost.

It was its first failure since the second Starship launch in November 2023. SpaceX had no answers for why the rocket was destroyed and lost.

We will keep you updated in the coming days.

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SpaceX confirms next Starship launch target – Here’s when it will take off

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2 months ago

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January 9, 2025

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spacex starship upper stage catch
Credit: Elon Musk | X

SpaceX has confirmed a new target date for the seventh Starship test launch after weather in Texas delayed the first scheduled date for “three or four days.”

The company is now targeting the launch for Monday, January 13, at 4 p.m. CST or 5 p.m. EST. The launch date is not set in stone as any variety of delays could impact this, but SpaceX hopes to finally take off after a delay that pushed it back from January 10.

What’s new with this Starship launch

With this being the seventh test launch of Starship, there are several things that the company will change and hope to accomplish. All of these launches are done in preparation for eventually taking flight to Mars, something that will happen next year, according to CEO Elon Musk.

First, SpaceX is rolling out a next-generation ship with “significant upgrades.” Forward flaps have been made smaller and are repositioned away from the heat shield, which will “reduce their exposure to reentry heating.”

SpaceX eyes 25 annual Starship launches starting next year

There is also a 25 percent increase in propellant volume, a new fuel feedline system for the Raptor vacuum engines, and a better-than-ever propulsion avionics module that will control the valves and reading sensors.

Avionics, as a whole, underwent a redesign and now have more capability and redundancy for missions as they become more complex.

Starlink test

SpaceX is also planning to deploy 10 Starlink simulators that are similar in size and weight to the next-generation Starlink satellites:

“While in space, Starship will deploy 10 Starlink simulators, similar in size and weight to next-generation Starlink satellites as the first exercise of a satellite deploy mission. The Starlink simulators will be on the same suborbital trajectory as Starship, with splashdown targeted in the Indian Ocean. A relight of a single Raptor engine while in space is also planned.”

Ship return and catch

There will be several experiments that have to do with returning Starship and various catch scenarios and sequences. One of which will see “a significant number of tiles be removed to stress-test vulnerable areas across the vehicle.”

The ship’s reentry profile was also intentionally designed to test the structural limits of the flaps while at the point of maximum dynamic pressure during reentry.

Currently, SpaceX did not detail whether it would attempt another catch during this test launch. These are usually game-time decisions.

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Please email me with questions and comments at joey@teslarati.com. I’d love to chat! You can also reach me on Twitter @KlenderJoey, or if you have news tips, you can email us at tips@teslarati.com.

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