Following the launch readiness review, leaders from NASA, JAXA, Roscosmos and SpaceX will brief and take questions from the press regarding Crew-11. Launch is scheduled for July 31 at 12:09 pm ET (1609 UTC).

Follow this thread for updates. 🧵1/n 2/ Here's a list of participants:

Happening now, @Axiom_Space, @SpaceX, @NASA and @SLDelta45 are holding a post-Launch Readiness Review for the Ax-4 mission teleconference.

Follow this thread for updates. 🧵1/n

📸: SpaceX @Axiom_Space @SpaceX @NASA @SLDelta45 2/ Here are the participants in today's briefing:

The next discussion from today's Mars Exploration Program Analysis Group meeting is titled "Mars Exploration Program (MEP): Commercial Services Studies."

Follow this thread for updates. 🧵1/n 2/ Rick Davis, the Assistant Director for Science and Exploration within NASA’s Science Mission Directorate, says they've done more than 15 site visits between 2022 and 2024 to assess some of the interest and capabilities that exist beyond just presentations.

In less than 15 minutes, NASA astronauts Barry "Butch" Wilmore and Sunita "Suni" Williams will be talking with members of the press from the International Space Station, following the departure of the Starliner spacecraft from the ISS on Sept. 6. The briefing will begin at 2:15 pm ET (1815 UTC).

Watch live: 2/ The briefing is beginning now. Butch says the concern they've been hearing from folks around the world has been heartwarming. He says it was disappointing to see the Starliner spacecraft depart without them.

The NASA press conference on the Boeing Starliner Crew Flight Test is getting underway now. Nelson begins by announcing that Butch Wilmore and Suni Williams will return with the Crew-9 mission on a SpaceX Crew Dragon spacecraft in 2025. Starliner will return uncrewed.

Watch live: 2/ Nelson says he spoke with the new CEO of Boeing and the issues with Starliner will continue to be worked once it lands. He says they will continue to work towards having a dissimilar redundancy to reach the ISS between Starliner and Crew Dragon.

Happening now, NASA is holding another briefing. In a post online moments ago, the agency noted that it is discontinuing its VIPER (Volatiles Investigating Polar Exploration Rover) project.

"NASA stated cost increases, delays to the launch date, and the risks of future cost growth as the reasons to stand down on the mission."

"Astrobotic will continue its Griffin Mission One within its contract with NASA, working toward a launch scheduled for no earlier than fall 2025. The landing without VIPER will provide a flight demonstration of the Griffin lander and its engines."

Listen live:

Follow this thread for updates. 🧵1/n 2/ Here are the participants on the call:

Happening now, NASA and SpaceX are discussing the recently awarded U.S. Deorbit Vehicle contract, which will see a spacecraft, based on Dragon heritage, be used to deorbit the International Space Station.

Listen live:

Follow this thread for updates. 🧵1/n 2/ Here are the people participating in this media call:

Starting now, NASA, Boeing and ULA will provide an update on the Starliner Crew Flight Test, which is currently set for no earlier than June 1.

Listen along on Launchpad Live here:

Follow this thread for written updates. 🧵1/n
2/ Here are the participants on the call today:

Happening now: the first of three briefings regarding Boeing's Starliner program, which is preparing for its first launch with astronauts in early May. Follow this thread for updates.

🧵1/n

2/ Here's the lineup for this briefing:

Starting shortly, NASA and Intuitive Machines will host a press conference on the landing of the IM-1 lander, Odysseus, last night.

Follow along for updates. 🧵1/n

Watch live here: 2/ Below is the list of speakers this afternoon:

Happening now, the Mars Exploration Program Analysis Group is discussing the Mars Sample Return mission and some concerns regarding the MSR Independent Review Board-2 report and NASA's response to it.

Follow this thread for notable updates. 🧵 1/n 2/ Here's the report and it's findings:

And here's what MEPAG plans to do moving forward in 2024: nasa.gov/wp-content/upl…

Starting momentarily, @elonmusk will hold a fireside discussion regarding Starship development as a part of the @Iac2023 conference.

@w_robinsonsmith will be live posting from the account this morning.

Follow along for updates here: 🧵1/n @elonmusk @Iac2023 @w_robinsonsmith 2/ @ClayMowry, the president of @iafastro and the CRO of @VoyagerSH, is hosting the conversation with Musk.

They open the conversation talking about the first big milestones of SpaceX with the launch of the Falcon 1 rocket 15 years ago.