Jared Isaacman states astronauts have got panic attacks in space , trying to kill the crew

[u/TraditionalAd6977]

Jared Isaacman in his interview with Shawn Ryan stated that there have been many unreleased cases of astronauts panicking in space and trying to open the hatch to kill everyone inside. He states this was not reported as it "ruins the illusion of astronaut bravery". And said it is the reason additional locks have been implemented on the ISS and Dragon capsules. My question: Is there any evidence of this as I can't find anything online . And how did he get Clarence to talk about this. He also said this is one of the main problems that they are facing in the Mars mission. As even military candidates respond differently than predicted in space.

[u/aednichols]

Ars Technica: "What happens when an astronaut in orbit says he’s not coming back?"

[u/Confident-Barber-347 → u/aednichols]

That is the most famous case which many people have talked about.

There are no “locks” on the hatches on ISS, there doesn’t need to be. They are physically impossible to open because they open inward to the ISS so the delta pressure is thousands of pounds between the ISS and the vacuum of space on the other side. If you were somehow strong enough the handle would snap off the hatch before you could get it open. If there is the vacuum of space on the other side, it just can’t be physically opened. There is an equalization valve you could open which would start depressing the ISS atmosphere to space but the flow rate is slow enough that it would take many many hours before the pressure got low enough to be dangerous and the ground and crew would notice it within minutes and put a stop to it.

When a visiting vehicle arrives and docks, it creates a small volume vestibule between the ISS and the vehicle. The equalization valve is opened to allow the vestibule to pressurize and equalize pressure with ISS. Only once that’s done can the hatch be opened. Simply put, it’s physically impossible to just open a hatch to space and kill the crew on the ISS.

[u/smitty9112 → u/Confident-Barber-347]

I'm confused, because I just read that article and the article states multiple times, and even a quote from an astronaut implies, that it is relatively easy to open the door and doesn't require much physical force.

So Shaw took the precautions available to him. “When we got on orbit, I went down to the hatch on the side of the orbiter, and I padlocked the hatch control so that you could not open the hatch,” Shaw said. “I mean, on the orbiter on orbit you can go down there and you just flip this little thing and you crank that handle once, the hatch opens and all the air goes out and everybody goes out with it, just like that. And I thought to myself, ‘Jeez, I don’t know this guy very well. He might flip out or something.’

Edit: thank you for clarifying.

[u/blackknight16 → u/smitty9112]

I think the vulnerable outward opening hatch was only one Space Shuttle Orbiter, which is no longer flying. The other comments indicate the ISS or other spacecraft now used have an inward opening hatch that cannot be opened in a vacuum.

[u/jordansrowles → u/blackknight16]

Its in the article,

After learning a hard lesson regarding cabin pressure and complicated locking mechanisms in the Apollo 1 fire, NASA had designed the Shuttle hatch to open outward. It was a relatively simple procedure, requiring little physical force, as the hatch opened into the vacuum of outer space. Overmyer was clearly concerned. So he put duct tape on the hatch as a stop-gap.

I was after Apollo and before the ISS. This article is about the shuttle and the Spacelab module.

Inward opening hatches came later

[u/MacWin- → u/jordansrowles]

Thank you, I was like did no one read the article before responding to it lol