I remember watching it live on TV. The crazy thing: all sorts of experts warned not to launch below a certain temperature. I’m sure nobody got satisfaction out of the prediction coming true. Events leading up to the disaster.

@herpaderpy888

Жыл бұрын

I had personal friends who worked on the shuttle program. To this day, as professors, they teach that it was the o-rings, with the documents to show. NASA was concerned about public perception. Shuttle was over budget, slow, and much less useful than intended. It was supposed to have much greater payload and reusability and a much faster launch cadence. A weather slip meant that shuttle couldn't even launch in cold weather, which was a death sentence to the longevity of the program. In the call with Thiokol, NASA executives heard what Thiokol had to say and the "Morton Thiokol does not recommend go", told them to "take off their engineer hats and put on their project management hats", and asked again. Effectively, they were threatening to remove them from the shuttle program. After a short time, Thiokol came back with a recommendation of "go". Shuttle was already a "go fast" program with lots of engineering concerns. Many called it inherently unsafe. Ultimately, it became a lesson. It is an extremely important lesson for every one of us in the aerospace industry, and I hope it's one that isn't soon forgotten. I have my reservations about the SLS program, especially with the many failures recently, but I'll leave it at that. In my current program, subcontracted boxes continue to cause problems, and I hope to write a document to management to prevent many of the issues we are seeing on future programs, and I'll be damned if I let these issues repeat again should I become the full program manager on a future program.

@larrystuder8543

Жыл бұрын

@@herpaderpy888 one version that I heard had NASA requiring a signed safety certificate from Thiokol that the launch would be safe. None of the Thiokol engineers at The Cape would sign it. So NASA faxed it to Thiokol headquarters. No one on the engineering staff there would sign it either. Finally, a VP of Operations, not an engineer, signed it and sent it back.

@vonix7

Жыл бұрын

I've tried to read and watch everything on this...has anyone else read 'a prescription for disaster'?

@williamwingo4740

Жыл бұрын

As the Jeff Goldblum character put it in "Jurassic Park": "G-d, I hate bein' right all the time...." Added in edit 20230512: There's also the old engineering adage: 1.Good (could be interpreted to include "Safe"); 2. Fast; 3. Cheap; Pick any two....

@LiPo5000

Жыл бұрын

@@larrystuder8543 SAD

My respect to Allan McDonald and other engineers who tried to save the situation earlier but fell on the management's deaf ears.

@krugerfuchs

Жыл бұрын

They should have rang the media I would've or the astronauts

@DennysDinerLIVE

Жыл бұрын

Roger Boisjoly (RIP) as well

@mikeborgmann

10 ай бұрын

It must be very odd to have your prediction come true, the anger you must feel at being ignored! And at the same time probably wishing that you were wrong....

@faupoh55

Ай бұрын

Mgmt should be in jail!! They are responsible for all those innocent lives!

@veetee1327

Ай бұрын

Sounds a lot like boeing at the moment, cutting costs and ignoring/silencing safety concerns raised by those in the know. Not caring about safety, but what is acceptable loss.

My dad was a aeronautical space engineer for NASA Johnson Space Center and I remember sitting there watching Challenger launch and when it exploded I turned around and my dad had tears running down his face the only time i ever saw my father cry he knew exactly what had happened.

Much respect to Alan to not cave into the pressure to sign the document. I was in middle school when this happened was very sad and tragic. We’ve lost a lot of these engineers, RIP.

Still blows me away no one went to jail. This was manslaughter. They were flat out told it was going to explode.

17:35 - you can hear him holding back his tears. I'm so proud of this man for following his conscience.

I once heard an NASA engineer describe the space shuttle program as a butterfly on a stick of dynamite. I have never forgotten that comparison.

@siddharthshekher1101

Жыл бұрын

that's a nice way to see it. Where can we watch the video?

@npkrn6764

Жыл бұрын

Yikes! 😬

I used to run Red Teams in the IT industry. The purpose of these teams was to perform root cause analysis of failures in the infrastructure. It was astonishing how many people never really wanted to talk about root cause. Politics and careers may have been at stake. From that experience what I can say is this: No matter what failure we’re talking about there is always a person or people that ultimately caused the failure. Either by action or inaction. Always. No exceptions. Ask “why?” 5 times and you’ll have your answer. Yes, the rubber O ring failed but who decided to go forward with launching for example? The rubber is a symptom. Risk management is the root cause.

@owieri

Жыл бұрын

i bet it's still somewhat easier to talk about root cause knowing that it is not you than to make decisions knowing that some of them can and will turn out to be bad ones nothing is perfect

@jordanjoestar-turniptruck

Жыл бұрын

There's always going to be a flaw in the engineering, whether it was overlooked or the requirements were miscommunicated. Similar to the Chernobyl disaster just a couple months later and the "economical" RBMK reactor. It's all about how these flaws are prioritized. External pressures are a reality wherever you are. Desperation is a very dangerous thing.

@npkrn6764

Жыл бұрын

Just as in any catastrophe in life - including personal relationships!

@rodrudinger9902

3 ай бұрын

Wrong; The Reagan Administration changed top personnel, at NASA, put enormous pressure, on them; topped off, by wanting a "Teacher in Space", for "Show, and Tell", during Reagan's "State of The Union" Speech, scheduled for that evening. The Launch should have been "scrubbed", but that didn't happen. Ernest "Fritz" Hollings, South Carolina Senator; was suspicious, but got "stonewalled". You may "fill in, the rest". Also, check "Frontline", and articles in the Washington Posr, and New York Times, plus other sources. This was an "accident", waiting to happen; and The Reagan Administration, "Set It, up".

i really like these, too bad all of my friends are into tiktok and cant handle anything longer than 5 minutes lmao

@sourgummiez

Жыл бұрын

You need to find new friends.

@robbyirwin4846

Жыл бұрын

I think the same thing... I wish there were more of these!!! longer videos .... educational ones!!!!! Please!!

@cosmic2096

Жыл бұрын

Majority of them living delusional ✌🏽 world changed through tiktok and reels than actually being human

@TrashParty

Жыл бұрын

Get better, more intellectually capable, like-minded friends

@Roberob1189

Жыл бұрын

I’ve been watching/listening to these while I work and free time since 2010. 2010 I stopped hanging out with most of my friends also lol. They are the tik toc type.

This was one of those moments in time when you can remember exactly where you were and what was happening around you. I was in 2nd grade and my whole elementary school watched it live in our school gym. Didn’t understand what was happening at the time but I what stood out to me were all of our teachers crying.

@USN_Ret-

Жыл бұрын

I had left on my first deployment Jan 11th. We were nearing Hawaii.

@FirstSuiGeneris

Жыл бұрын

I was living in Germany!

@chrissiehansen2640

Жыл бұрын

me2

@javiermori1710

Жыл бұрын

I was in 9th grade PE class in gym. The teacher brought out tv in middle of court so we could all watch. Yeah i remember that day well.

@nicksivds

Жыл бұрын

I was in second grade. I just remember knowing something terrible happened. My teacher quietly got up and turned the tv off without saying a word.

Ask any resident on the Canadian prairie that has tried fixing a vehicle or the like on their home during one of our harsh winters, and they will tell you that a soft rubber gasket can get hard as a rock! Mr McDonald's is the best explanation of the O-ring I have heard, and I have watched many documentaries regarding the disaster. Such a tragic event, made even moreso knowing how many children were riveted to tv sets, excited to see their teacher.

Props to Allan McDonald. This guy has integrity.

At the time, I worked on similar seal mechanism for the oil field and learnt that the elastomer has THERMAL EXPANSION COEFFICIENT 9 times of STEEL!! So what will seal at 50 Deg F will not when at freezing temp and even at "NORMAL TEMPERATURE" there were LEAKS observed in earlier launches; although not enough to cause disaster. Extreme ENGINEERING TOLERANCES could cause FAILURES. The Challenge failure helped me to DRIVE INTO THE HEADS of company management about the limitation of elastomer rings in a thermal cycling working environment.

@FreeDocumentary

Жыл бұрын

wow. Okay. That’s pretty neat insight. Thank you. And the positive side of a disaster is when there’s a learning curve.

@9:20. The failure to 'name' the Engineers who overrode 53 degree recommendation and endorsed the decision to launch just perpetuates the tragedy of this disaster... people made the decision and they should be held publicly accountable every time this story is told.

@pjimmbojimmbo1990

Ай бұрын

Why do you think, Management Decisions are often "Group" Decisions? That why NO Particular Person is ever held Accountable...

I was watching it in my front yard with a bunch of friends in Cape Canaveral. I remember everyone couldn't believe what happended. It too a bit to sink in even after we have seen so many go up. We were told to go into our apts and close windows and turn off AC units until furthur notice. You could smell it.

@bennythejet3412

Жыл бұрын

That is absolutely wild I’ve never thought about that. What did it smell like?

I remember watching a doco where it was said the shuttle program was right on limit of engineering envelope for the time, in that every launch was effectively a test flight

@djsi38t

Жыл бұрын

Absolutely true....dangerous for sure.

@profile2047

Жыл бұрын

Doco…

It took me a while to decide to watch this documentary as the disaster affected me so. Finally, today I decided to watch out of curiosity and I believe that everything that was presented was in very good taste and entirely respectable. Thank you so much for this documentary. I learned a lot. Unfortunately, as usual, there are considerable inconsistencies with the (government report) and the TRUTH.

@DanSpotYT

Жыл бұрын

Ok, what facts did the report have incorrect? Specifics, please.

@dougholliday467

Жыл бұрын

@@DanSpotYT Sorry Dan, but I would need to see the film again, and I just don't have the time. Your question should have possibly this: Do you know what the truth is? Thanks for your reply. Perhaps at another time, I may get in touch.

This actually happened on my grandmother's birthday. I was home when this happened. It was broadcasted live.

I was in primary school in Australia when this happened, and we were supposed to be watching a recording of the launch the next day at school. That was cancelled and we ended up watching some boring nonsense about recycling or something. I asked why and was told that they didn't get the video. My dad showed me the news paper that night and I asked my teacher why they lied they ummed and ahhed and brushed me off. 2 or 3 years later I had the same teacher again and we had to do an oral report on anything we wanted to do. I did mine on Challenger. The teacher tried to talk me out of it. Then demanded that I not do it. Then told my parents to forbid me from doing it. They told her where to go. I did it and she tried to give me a C- for it as punishment. My parents went to the principal who read the report and told the teacher to correct her grade. She left the school not long after. She was very religious and anyone who dared to do any project about science got an immediate poor grade. She left the school not long after but is a large part of why I don't trust overly religious people.

@johnhouston9764

Жыл бұрын

WOW that is some experience.

alot of tragic things that happened in a big company unfortunately always comes down to cutting costs in many aviation companies

Shame on NASA!!! Much respect to Allan McDonald for not caving to the government oligarchs.

Free Documentary makes my day better. Thank you for posting

I watched it from my front yard in Titusville Florida that cold morning. I had two firsts that day. It was the first time I had ever seen frost on the grass, and the first time I watched someone die. A terrible disaster. People asked me, it must have been loud as hell right!? On the contrary, once a space vehicle gets so high, you hear nothing....absolutely nothing. Fly high Challenger crew. You will not be forgotten.

@kjhelms829

8 ай бұрын

My uncle and Grandfather owned Mims East Coast Auto Salvage at the time of this tragedy and you wouldn’t believe the government agencies that showed up searching for debris from the Challenger. The thing that stuck me as weird is nothing was recovered however about a decade later they were contacted and told that prior to the junkyard coming to existence NASA used that property as a dump site for NASA

@mywifesboyfriend5558

6 ай бұрын

You didn't see them die. Not until they hit the water.

Wow, how fast time has gone by. Today is Dec. 11th, 2022 so in jist over a month we will be at the 37 year anniversary. I remember this clear as day. That January day in 1986, I jad just barely turned 6 years old and was in kindergarten. About 10 min before launch our teacher turned the tv on to the launch, just as in every other classroom mainly because a teacher, a civilian for the first time ever, was going to be going up into space. When the countdown hit 10 seconds everyone in class was counting down and at zero we all cheered as Challenger lifted off into the heavens to sadly never return in tact. Our teacher went to her desk tand sat down to do some paperwork and about 30 seconds later, every kid let oit a huge gasp. The teacher looked up wondering what was going on when 1 kid pointed towards the tv and said "Look, it 'sploded!" The teacher, Mrs. Silva stood up and git in front of the tv, then quickly turned around to look at the class. every studwnt was just stafing qith a shocked look on their fa e, not really 7nderstanding wxactly what they were seeing. Mrs. Silva just had a look of utter shock on her face not knowing what exactly to do but seemed to be at least relieved that no one was asking any questions Quickly, she turned off the tv and told us to get out a sheet of paper and a pencil cause we were going to have a surprise spelling test. Of course the whole class moaned but it worked. Lickily the test was me er really scored but she knew she had to do something to get our minds on something else. Another plus for jer was that back in those days, kindergarten was only a half day vlass and luckily we werw only like 45 min. or so from the end of our day. It's weird how there are a lot of things from when i was that age that I do not remember but that was one day I will never forget for the rest of my life. It was the first time in my short life that I was part of one of those eventsypi hear people say that they cam remember with 100% clarity qhere theu were and what they were doing at the moment something major happened. Of course, it would not be the last of those events BUT luckily those type of events are not always due to bad reasons. Anyway, sorry for the lengrh of this post but I just had to get that out. Thank you to anyone whom had read this.

Magnificent Documentary. Well documented Incredible job by the engineers and all the astronauts

My respect to all the engineers especially Mr. Bob Ebbling...the poor soul took it hard on himself feeling he was responsible for the deaths as he wasn't successful in influencing NASA to hold the launch of the Challenger.

When the smartest engineers ( Allen McDonald), and others tell you not to launch. Dam it listen to them. They know what the hell they are saying. Thank you Mr. Allen McDonald, for trying to stop this sad situation from happening.

Respect to the engineer who realized the danger to launch and refused to sign the document.

@FreeDocumentary

20 күн бұрын

I know!

My mom grew up in Brigham City, which is near Ogden. The Sunday after, all the grown-ups at church were worried about getting fired or laid off. She was six. A six-year-old noticed that people were affected by this and remembers it forty years later. She had seen it live at school, and so had my dad, but he lived in Magna, so he didn't see what she did. Anyone who says this was staged or the astronauts are still alive isn't just being disrespecting to the astronauts and their loved ones. They're disrespecting all the people who lost their livelihoods to this disaster.

'What Went Wrong? ' Yes, the Boosters failed, but that was the effect, not the cause. The Cause was the NASA Upper Management Urbis that pushed for the Launch, without delay, in spite of others who wanted it delayed. The NASA 'guys' should have been indicted for Involuntary Manslaughter. Nothing Less. Sadly, they got a PASS! why? JMO

Thank you so much for this

I'll never forgot watching this on the TV at the young age of 8. I was so excited to see the space shuttle. I remember counting down from 10 in my head, as not to disturb others. The next thing I remember is the principal rushing in to each classroom and quickly turning off the TV. Now that I think back as I angerly stared at the principal...I remember his face of disbelief and his eyes filled with water begging to dry out. Today all the pieces fit together, but back then I was a naive 8 year old angry at the man that took away my fun, as he forcibly rolled the TV away. I remember thinking, "How dare him!", and it's all his fault we were told to open our books. Ugh! Today, I look back and my heart aches for all involved. The poor family, and friends. I feel so bad for all those affected, even the principal. I even fetl bad for myself if my 8 yr old mind understood, I would of only been more sympathetic. So sad 😢 God Bless everyone involved ❤❤❤❤❤❤❤❤❤❤ ♥ ♥ ♥

What's insane to me is I work with irrigation valves...and even I know that O-Rings fail under cold temperatures. You'd think when lives are on the line it would be taken with the highest caution.

@christopherfoote4643

4 ай бұрын

Nobody really knows. That's part of why they went through and it was especially very close to being a successful launch. It was a failure of a joint that should have closed. There is almost no way to prevent it and it's impossible to predict. I might have been inevitable. Difficult to say for certain. It's always easy to second guess a decision.

@BakedBrain7100

4 ай бұрын

@@christopherfoote4643 That’s the complete opposite of what you should have learned here. This WAS preventable 100% and most “accidents” are human error.

I remember watching this in the 4th grade. School was cancelled the rest of the day. I still remember it like it was yesterday.

Why didn't they listen to the engineers when they said, "Don't launch because of (insert reasons here)!"? Because they were ignored, the families of those astronauts and those children had to watch them and their teacher die. This tragedy should haunt NASA forever (and so should COLUMBIA). You all know the old adage "Careless talk costs lives"? Not listening to concerns costs lives as well.

@VinnyGjokaj

Жыл бұрын

As an engineer,, management and especially upper management have there own view points that tend to not line up with engineers who created the actual thing… I deal with it all the time

Thank you engineers your brains/hearts in right place

Yep I remember sitting in class watching. When it happened I said. Well that was a quick trip. One of the best paddlings I've had at school.

January 28, 1986 was my first day in West Germany serving Uncle Sam. Several of us were in BK watching AFN who was broadcasting the launch while waiting on the Division General to welcome us to the country. I will never forget that day.

@FreeDocumentary

5 ай бұрын

me either

Ron McNair, the coolest astronaut ever.

I remember watching it live , at school... devastating

@DanSpotYT

Жыл бұрын

@Moon Cricket Please explain how it was hilarious. Be specific.

You couldn't pay me enough, to get on that shuttle? 🚀💥💀

@DanSpotYT

Жыл бұрын

Why is that formed in a question?

The bosses at NASA chose to ignore the facts, so it seems.

This is what irresponsible management do: gamble while disregarding the experts.

Lot's of love from world largest river island majuli 👍

RIP Mr McDonald

Very sad day. Rest in peace challenger crew. Saw it on tv in my living. Room.

Like a kids at the time I was watching it in class in school it was the first time I got the talk about death I was 9 years old and looking back all these years later you come to a realization that you were probably not the only kid back then that got the death talk for the first time

i lived in Arizona at the time this happened, there was a gold colored cloud in the atmosphere that was visible for several days, really cool looking at night.

So many moving parts have to all work perfectly together, it shouldn't need any genius to understand how rubber or an O ring in this case performs in cold weather, I wanted to be an astronaut at one point but instead decided on a career in a grocery store, very important work feeding people, flying into outta space is kinda frivolous in comparison.

@DanSpotYT

Жыл бұрын

Well, many advancements have been achieved through space experiments as well. It isn't frivolous, mate.

@mywifesboyfriend5558

6 ай бұрын

Mankind is destined for the stars. That's hardly frivolous.

I was in 2nd grade watching this in class. I was so interested in astronauts an space shuttles. I remember the explosion and the teachers rushed to turn it off they didn't tell us what was going on but they where visible upset tried to distract us and take out minds off of it.

I fear that this “acceptable risk” culture may very well return with sickening consequences, with todays generation having an aversion to facts & honesty. But it’s yet to see if it stems from greed or the fear of offending whichever country is contracted to build it cheaper. Our building & transport safety standards, in Australia, have already become infected. We overlook the questionable actions of others, even giving credit over education, rather than to risk offending people. It’s mind-bending insanity to ignore facts & punish those who dare speak the truth, even at the cost of lives?

@FreeDocumentary

Жыл бұрын

i know. I don’t get it at all. I just don’t.

Unfortunately, we still live with management/authorities who have egos over facts. “For a successful technology, reality must take precedence over public relations, for nature cannot be fooled” -Richard Feynman

NASA should've heeded the warnings, and learned from experience beforehand. They lost not one, but two shuttles: Challanger, and Columbia, and more importantly, the lives of the astronauts involved. my heart goes out to the friends, and families of each of the astronauts still grieving.

Amazing

What happened to safety first? 😳

i used to be able to see liftoffs from my front porch and i lived a couple hours from the "space coast." it was cool seeing that big ol' plume of smoke and knowing what it was from. never got to go TO a launch but i sure wish i had....

Unbelievable how two small little O-rings could become such a big problem.

I was in the fourth grade watching live! I was forever shaped by this

Worst part of all this is that the explosion didn't kill the astronauts, the crew cabin went flying into the ocean, and for those brief few moments, those people were likely in absolute terror until they hit the ocean. What a horrific way to go. NASA has so much to answer for.

@dukeford

4 ай бұрын

More than likely they were unconscious a few moments after the explosion.

They made us watch this in school I was 7 it was so traumatizing.

What A tragety. this year will mark 37 years since it happend. God bless their souls.

those astronauts trusted the engineers, flight directors and controllers. All played a part in this disaster. Truly a shame, but the worst of all was the senior management. Absolutely despicable and so sad.

@dgdave2673

7 ай бұрын

Don’t blame anyone other than the management!

NASA. knew the dangers, and they still went forward? 🚀💥💀

"I don't care if the shuttle blows up, as long as it's not my fault." REALLY?!😢

May the victims of shuttle STS-51L (Challenger) RIP. We will never forget you. 🇺🇸🇺🇸❤️❤️

The first half of the late physicist Richard Feynman's book "What Do You Care What Other People Think" is a good account.

And not a thing happened to Morton Thiakol management for retaliation against McDonald.

Overwhelming Administrative Incompetence. To those who stood up against the tide of "get it done" and argued for a delay, I thank you for trying. :-(

RIP Allan McDonald.

NASA was warned but it was as though, if the engineers could say for sure that it would blow up as a result of the feezing temps, then it was worth the risk.

21:23 Darn, I wanted to hear that in Italian 🤣

What caused it? How 'bout NASA reacting to public and political pressure by rejecting its own safety protocols?

I wondered on the day why they were launching on a cold day. I felt they should have waited for a much warmer day. They were already holding off for a couple of days. They should have waited longer. When it happened I knew something had leaked. Orings were too cold for a proper seal.

@royaltyblessed2454

5 ай бұрын

Politics is why they launched especially with the pressure to get the Teacher into space to teach her lessons before the weekend which would had given Regan huge political points in a re-election year.

Redundancy? The failure process is not the part that should be redundant.

I worked for a company that tested gaskets and o-rings for "outdoor enclosures" So obvious the different properties a outdoor enclosure (with low temperature gaskets) have compared to above freezing indoor enclosures. All those engineers involved in the manufacturing of those solid rocket boosters should have gone to jail for manslaughter.

Gee that's funny, I (who am no rocket scientist) saw those pictures of the ice encrusted launch platform and thought: "Gee I sure wouldn't launch a rocket with everything iced up like that". But then I thought: "But what do I know, they must have engineered all of the stuff so that having it ice encrusted wouldn't hurt anything". Then McDonald says: (paraphrasing) "I saw that thing all covered with ice and thought there's no way they'd launch with all that ice". Then I realized that even though I'm no expert, sometimes not being very confident is a good thing. Speaking of RayGun addressing the school children, I wonder how many he killed in foreign countries while playing president during George the First's 3 terms as president.

That was a certain death trap!💀 for these astronauts? 💥🚀

7:12 Recommendation for lowest safe temperature? Why was there not already a NO GO temperature set in stone??

Sounds like history repeating itself over and over again. 🤔

Every time I see an O ring, I think of Challenger.

Cold day? Man it was 29 freakin degrees!! How could Nasa let this happen?

I wasnt around yet but did report on christa, in school. I was in middle school when i think it was named columbia exploded on return to earth

Through failures comes great success

@Infinite-void908

Жыл бұрын

That's a good quote

@rjjr.1071

Жыл бұрын

That wasn't applicable to NASA.....

@tusse67

Жыл бұрын

And the opposite, through successes comes great failures, is also true. Having had 24 successes complacency was permeating NASA.

In the numerous heated conference calls the night before launch about delaying the mission due to cold just one more day, the actual determinative call was between NASA manager Larry Malloy at the Cape and Presidential press secretary Larry Speakes with Ronald Reagan in Washington DC. This has largely been sanitized out of the historical accounts. The "teacher in space" idea had been an initiative of President Reagan (which he had been ridiculed for) and on the night of the launch he was scheduled to give his State of the Union speech. During this presentation Reagan was to have a surprise direct uplink to the Shuttle crew with all of Congress and a national TV audience watching. A speech predicated on this had already been written and loaded into the teleprompter. The President's popularity rating had been under strain at the time. And because of the way the shuttle mission activities were planned, a one day delay would have put Christa McAuliffe's "lesson from space" on a Saturday when students are not in school thus creating more fodder for Reagan's political adversaries. Longtime Reagan close friend William Rogers was put in charge of the commission to determine the cause of the explosion not because he was an expert in science and aeronautical engineering. He was a lawyer who had no relevant training. His sole task was to insulate President Reagan from the inquiry and direct the mainstream accounts of what went wrong toward much less culpable yet plausible alternatives. And he succeeded. Reagan's TV address wherein he says the deceased astronauts "slipped the surly bonds of Earth and touched the face of God" was a key inflection point in his presidency. This line worked so well on multiple psychological levels to stir people's emotion and it was delivered by a true professional. This gave a huge boost in his political solvency. How ironic it is how words get crafted for public consumption that are so antithetical to the truth. My sister worked in the Orbiter Processing Facility at the time of the accident and she still has vivid memories of walking outside minutes after the explosion to see security personnel hustling the parents of Christa McAuliffe away from the public area. Many other people who worked there at the time also knew the ROOT cause of the tragedy was simple petty politics.

RIP Roger Boisjoly 😢💔

Good documentary innit? What I don’t understand is why the heat of the burning SRB didn’t rapidly thaw out the O-Ring which could then expand and make a seal?

@danielvogel5252

Жыл бұрын

The o ring was already thermally damaged... in other words, cracks had formed. The SRB burn had already escaped through one of the cracks which subsequently burned off not only more of the ring, but the metal surrounding it. This created a jet of flame that not only burned the ring and the base material of the SRB section, but also through the insulation on the fuel tank, through the outer layer of the tank, and then subsequently through the LOX tank itself... after the SRB mounting strut was also cut and tore away from the tank, which twisted the booster into the tank causing even further damage. Once the LOX tank was compromised, the mission went bad with a bang.

@htownqueen663

Жыл бұрын

@@danielvogel5252 wow. Thanks for explaining.

I thought when those engine or turned on it would eat everything up

I was home from school sick the day this happened

Typical Arrogance that is very Common in Management, resulted in Disasters in Apollo 1, Challenger, and Columbia.

@DanSpotYT

Жыл бұрын

I hope you never get into management then. Pressures from above and below. If one waits for perfection, nothing would be accomplished. Sad and unfortunate fact of life.

@pjimmbojimmbo1990

Жыл бұрын

@@DanSpotYT I was in Middle Management for the last 6 yrs of my working life. Easy time, only had about 2 1/2 hrs of work for the 8 hr shift, so I got to spend a lot of time on Personal Projects or just playing Golf. No one ever questioned me as to where I was, or where I was going.

@DanSpotYT

Жыл бұрын

@@pjimmbojimmbo1990 Ah, well, you found a honey pot then. I was lead tech (lower management at that time) for a 400 seat call center and 100 retail stores all along the east coast (ME to FL). I was a day late on submitting a report and got docked by my manager. Just how it goes, eh!?! Cheers.

Too cold of temperature. Nasa was warned by the engineers. They didn't listen and got their headlines...😮

I remember i was watching the soap opera santa barbara when they cut in with this tragic news

It wasn't just in America children around the world did I was ten watching it in ireland

@ChadwickTheChad

Жыл бұрын

Europeans are always like "but we helped!"

I was in 3rd grade, I remember the teacher rolling in the TV on that brown TV stand with wheels and that usually meant watching Reading Rainbow or some KQED/Bob Ross type of thing.. Meanwhile seconds later........

Why does the narrator say, several times, that Paulo Nespoli flew on the Challenger in 2007? The thing blew up in 1986.

5/5 for the translation of 24:24

I still have a big piece of Columbia from when it broke up.

@ImagineStudiosYT

Жыл бұрын

i wanna see

Then Boeing repeats the same type of thinking with the 737 Max. Engineers should run these types of programs, not corporate profit seekers.

When does variable risk become accepted risk. Oh I see budgets schedule and biggest of all dollars.

Incompetence, laziness and criminal negligence caused the Challenger destruction....

The mission much too important to be postponed🤨