Whistleblower reveals a Nordic carrier silently vaporized a top secret USN sub and shut down a nuclear attack sub, terrifying the US Navy into submission.
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More UFO Knowledge Anonymous 04/29/25(Tue)07:24:21 No.40228974I'm taking a big risk by posting this, and honestly, I’m already uneasy about putting any of it out there.
I was part of a fast attack crew stationed in the Atlantic in the early 2000s. I won't say which boat. That’s the one thing I won’t reveal.
If you do a little digging — fast attack deployments, sonar anomalies that got "lost" in paperwork — you’ll figure it out. It's not that well hidden if you know where to look.
What we made contact with wasn’t a whale, wasn’t a known submarine, and wasn’t something you could explain away. It moved in ways that shouldn’t be physically possible, and it responded to us.
After the event, teams we didn’t recognize took over. Different protocols, different rules. Our official reports don’t match what actually happened.
There’s something under the ocean — something constructed — something we aren’t supposed to know about.
And no — before you ask — the clowns like Elizondo are not telling you the truth. You really think an active government agent gets to go on cable news and "spill secrets" with a wink and a smile? Meanwhile, the only place someone like me can speak is anonymously on a dying 4chan thread. Think about that.
Most of the "whistleblowers" they parade around are controlled leaks — distractions meant to keep you staring at the sky while ignoring what’s beneath you.
The only one who’s been close to the truth was the guy who posted about the underwater UAP fabrication site. He didn’t know everything — but he wasn’t making it up.
I’ll answer what I can here. I have to be careful, but if you ask the right questions, I'll give you what I'm allowed to say without crossing certain lines.
I’m only responding to replies that start with the boat’s initials. If you can’t connect the dots, you’re not ready to hear the rest anyway.
pic is the OP of the original 4chan USO whistleblower
Replies (just the good ones)
Anonymous 04/29/25(Tue)07:51:37 No.40229080
>>is this the USO Tom Delonge talked about being pinned on the Atlantic coast for awhile??>>related to James Cameron's The Abyss??
I submitted almost 10 different FOIA Requests looking for information on this very subject. Got shut down.
I was looking for information on the USS Scorpion that allegedly engaged this very same entity in the 60s near Cuba. A Nuke was dropped there too.
There were actually SIX different attack subs lost that year.
I think the various nations were trying to either eliminate it or there was a pissing contest of some sort that did NOT go well.
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[OP] anonymous 04/29/25(Tue)07:56:44 No.40229094
I wasn’t planning on replying unless someone showed they were close — you’re at least asking the right types of questions, so I’ll make an exception.First off — no, this isn’t the USO Tom Delonge talks about. He’s been fed watered-down, pre-approved scraps — enough to keep him chasing without ever getting close.
"The Abyss" is loosely inspired by real rumors, but what we dealt with was nothing like Cameron’s glowing deep-sea aliens. It was cold, mechanical, and purposeful.
The USS Scorpion incident you're referencing? Different situation entirely. It had to do with Cold War encounters — maybe a different unknown, maybe a human mistake — but not the same contact.
I’ll give you credit: you’re right that multiple nations have had underwater encounters. You’re also right that it caused some major escalations that got buried in the noise.
The difference is: what we tracked wasn't a one-off. It matched exactly what the 4chan underwater fabrication leak hinted at — a system deploying customized craft, not organic beings and not accidents.
Good instincts — but you need to separate the events if you want to really see the pattern.
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[OP] anonymous 04/29/25(Tue)12:52:39 No.40230201
I will return to this tomorrow. I am tired.Nobody has come close yet and honestly that is probably a good thing. I would hate to spread real information amongst morons.
(Excluding the one guy who was close. You know who you are.)
If you are serious, use the time to actually connect the dots instead of parroting what TV and pop UFO grifters feed you. The info is not classified and available if you know where to look instead of listening to grandiose claims form idiots.
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[OP] anonymous 04/30/25(Wed)02:23:07 No.40233000
4023289340232893
I appreciate the effort. The reasoning is in the post. I am not here to waste time with anyone who cannot discern real from fake. That being said I do recognize effort when I see it. If you are using AI to dig, I recommend simplifying your queries.
Anything involving MH370 is laughable. That was an aircraft. I stated clearly I worked on a sub. If you are bringing up aircraft when the context is sonar and submerged contact, you are already disqualifying yourself.
It is these types of engagements that gave me the idea of how to filter out the noise — who is guessing for attention and who is actually paying attention.
And yes. I am well aware that once one person figures it out, everyone else will repeat it. I am counting on that. Because if enough people are saying the same name of the same sub, the right people might start paying attention.
Call it raising awareness in the only way I still can. Just know im paying attention to this thread.
And yes im very aware that once ONE person finds it, everyone will copy it. But if everyone is saying the same name of the same sub, id tend to think the right people may get thier eyes on the situation. call it raising awareness.
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goat 04/30/25(Wed)03:54:35 No.40233441
USSHis it USSHampton? i was looking shit up and it has a weird incident report attached to it which is corraborated by a gy named Bob Mcguire. A scientist. The report is HEAVILY redacted. The mission had to be classified because i cant find pics, vids , sonar or radar ANYWHERE and im great at finding things. Theres also conflicting reports about how many subs went out that day. Some say just USSH and some say another sub also. If im right i have 2 questions.
1: Was USSH the only sub out there that day?2: was there clear footage grabbed? that woould explain the heavy redaction and classification even with an incident report.
bonus question: how did it start?
>>40234606#
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[OP] Anonymous 04/30/25(Wed)04:03:41 No.40233491
You are the first to actually find it. Congratulations.I will answer within limits.
Was USSH the only sub out there that day?
No. There were three platforms initially tasked. Two are on the public record if you dig hard enough. The third is not and you will not find it listed anywhere official.
That third vessel disappeared without warning. No emergency signals. No acoustic collapse signature. It was simply gone.
What made the situation even worse was what the instruments showed immediately afterward. The sonar returns were so extreme that most of the crew believed at first that the systems were malfunctioning. The mass detected was beyond anything expected. The disappearance of the third vessel combined with the sheer size of what was showing on sonar created total confusion for a brief window.
That confusion is why the reports conflict and why the operation went silent so quickly.
Was there clear footage grabbed?
Yes.
Multiple internal angles. Passive acoustic recordings. Kinematic patterns impossible to match with any known propulsion technology. No friendly identification codes. No logical explanations.
The material is clear enough that anyone familiar with undersea tracking would know immediately that they were witnessing something outside human capability.
Bonus: How did it start?
It started the moment command realized the third vessel was no longer present on instruments or communications.
Passive sonar then picked up a massive disturbance. Something was moving deep and moving intelligently.
We adjusted our tracking and the object reacted immediately. It knew we were there. It shifted speed and depth faster than anything we have ever classified. It never broke aggressive but it made it very clear it was aware of our attempts to follow.
After that moment everything went up the chain and out of our hands.
Thank you for being fact oriented and not a moron.
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Anonymous 04/30/25(Wed)04:59:23 No.40233775
>>40233491#
USSHampton I guess
Are you claiming to know more than the original 4chan whistleblower?
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[OP] Anonymous 04/30/25(Wed)05:52:20 No.40234037
40233775
No. that was a one off that will never happen again. he was on retrieval. i was on a boat. context matters.
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[OP] Anonymous 04/30/25(Wed)11:25:59 No.40235472
40235119
You're right to call it “typical.” That is because it is. The playbook never changes — redact, confuse, bury the truth in noise.We all just saw another UAP-related FOIA request denied with no explanation. They can say footage doesn’t exist, even when internal logs confirm otherwise. “No responsive documents.” That’s how it works.
You are not getting an image. But sonar? Maybe. If you ask the right way.
Try requesting radar or sonar malfunctions from Atlantic fast attack platforms between 2001 and 2005. Frame it as equipment behavior. The data was recorded. Every ping.
Everyone who was there saw it. But it’s the third missing boat that keeps people quiet. It was in position when the object moved. Almost like it got too close.
Air anomalies are not my area. I stay in my lane. The task force? A PR front. They talk around the real event. The most documented underwater contact on record, and they ignore it.
Bob McGwier has spoken on it, yes. But his lab was isolated. He was not at the station when it happened. He got what they gave him, not the raw feed.
As for what we saw? Imagine sitting beside a mountain. Then the mountain moves. Not slowly. With intent.
Just before that, the ocean went silent. No current. No displacement. No hum. Just pressure and stillness. The kind of silence that warns you.
When it appeared, sonar picked it up, solid mass, structured return, but wrong. No propulsion. No wake. Just movement. And the way it moved? Not like it was trying to get away. Like it was aware we were watching.
We did not detect it. It let us see it.
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[OP] Anonymous 04/30/25(Wed)11:39:38 No.40235524
40235398Yeah, I’ve heard that one, the idea that tapping the hull would show there’s life inside so the thing wouldn’t destroy us. These are the thoughts of the people im TRYING to ignore.
Imagine everything I’ve described — trench silence, a mass that moves like it owns the water around it — and someone thinks, “Now’s the time to touch the hull and say hi.”
Really think about that.
Nobody touched the hull.This thing didn’t need a knock to know we were in there. It already knew. And it didn’t care.
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[OP] Anonymous 04/30/25(Wed)11:51:10 No.40235575
40235500I’ve been painfully consistent about staying grounded in facts — sonar, logged events, firsthand accounts. I’ve told people to read, to verify, to follow the data.
And your reply is a link talking about USOs off the coast of California. Let me ask you a real tough one:
Is California near the Atlantic Ocean?
Then you follow that up with a YouTube video of a guy drawing doodles under the title of “remote viewing,” which might be the most unintentionally hilarious thing I've seen today. That stuff belongs in a psychic hotline commercial, not in a conversation about military incidents involving lost submarines.
This right here — this scattershot, coast-swapped, New Age-flavored homework — is exactly why disinformation works.
Flood the topic with enough garbage and people stop being able to tell the signal from the static.If you want to chase flashing lights in the sky, be my guest. I’ll keep talking about what’s in the water — where it actually happened.
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[OP] Anonymous 04/30/25(Wed)12:35:40 No.40235817
40235662Numbers would be estimates at best. We didn’t have time to break out calculators mid-panic. All I can tell you is what the instruments told us, and what they told us didn’t make sense.
Imagine watching a cliff wall on sonar that you know has been there the whole patrol. Then suddenly, it slides sideways like it’s checking to see if you’re still looking. Not fast enough to be aggressive. Just fast enough to say, “I’m not hiding from you. I’m ahead of you.”As for finding it — or being found by it — the Hampton was on an oceanographic survey and surveillance mission. That’s public record. We were out there doing recon. Standard patrol. No weapons hot. No drama. We weren’t looking for trouble. But we were somewhere we probably shouldn’t have been, and we weren’t alone.
And let’s not gloss over what no one seems to talk about — we are discussing a nuclear-powered attack submarine. One of the most advanced machines humanity has ever built. And something out there flipped it off like a light switch. That’s not a sensor blip. That’s not a software fault. That’s a message.
You want to bait that into the air? Really think about that. We were sitting inside one of the most advanced submarines on Earth and it made another one vanish. No distress call. No fallback. No trace. You think scrambling jets at it is the next move? How do you think that plays out?
That is probably why we haven’t tried to engage. Not directly. It’s not disrupting trade routes. It’s not surfacing. It’s just down there. Watching. Moving. Waiting.
Do I know what it wants? Not even close. I was there to do a job. I wasn’t briefed on any mythology. I was collecting data. And then the data started collecting us.
All I know is this: whatever that was, trying to “take it on” would likely be the worst strategic idea in the history of modern warfare. And everyone who saw what I saw knows it. That is what we encountered that day.
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Anonymous 05/01/25(Thu)05:15:12 No.40239392
>>40235817#
>You want to bait that into the air? Really think about that. We were sitting inside one of the most advanced submarines on Earth
Had that conversation before, 20 years ago on a boat. The best response I could come up with was to send someone out near the vicinity of activity when it pops up, but on an inflatable with a transducer. Say hello, and I mean the words 'hello' and ask them to come to the surface.You'll either die, get no response, the sonar nets will pick up more movement, or you'll get a polite conversation.
Either way, that seems a little better. Knock on their door instead of busting in.
We hit something once at ahead flank. No one ever said. It made noises, might've been a whale. There were debriefs. Right around the same time San Fran hit the mountain.
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Anonymous 05/01/25(Thu)05:24:41 No.40239417
>>40228974 (OP)#
>I'm taking a big risk by posting this, and honestly, I’m already uneasy about putting any of it out there.
No you are not. Not one fucking bit. You know how I know that? Because I am not uneasy about what I've said in public and in private about the same info from a different professional experience. Hell, the retards I know and was with at the time blab all their shit all the time, and I don't even know as much.No one fucking cares, man. It doesn't matter anymore. Any dingleberry dipshit can buy enough parts at microcenter to smack together a faggy ass software defined radio, and even a decent sonar array made with scrap parts to make the same required quality of detection.
No.
One.
Fucking.
Cares.The civvies are too fucking retarded to know and care anyway.
The govvies are busy trying to keep the meatbag masses from going apeshit.
The ayyliums are looking at us, rightfully, as a bunch of dumbfuck animals.
Wave hello to them.
Glowies are full on DILLIGAF at this point too.
No one cares. You aren't going to end up suicided in your gym back with 10 stab wounds in your back.
If anything, someone comes at you and is mad about any of this, tell them to give you a slut to shut you up.
Double uno reverse upside down card.
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Anonymous 05/01/25(Thu)05:45:55 No.40239508
>>40232893#
>We know it's not supposed to be down there. We know it's dangerous as shit. We know it's being covered up like hell.
Smag turned spook here. OP knows what that would mean, and I am the only one who made that rating shift.Here's the deal man, think of your premises.
"not supposed to be down there"
What exactly do you mean by that? And I ask in the most professionally analytic way. Suppose you were to walk up to a gunned out meathead with 3 of his squad with him, mean mugging your ass. Would you walk up and say "Hey guys, you aren't supposed to be here"
You are now dead because of that. Therefore, they very fucking much are supposed to be there. Sheer force of will alone, nothing more.
Secondly, dangerous as shit. To whom? Military assets, of any kind, are to be viewed as hostiles. That is our policy. Their generosity to reciprocate our military philosophy is a positive.
Covered up? No, not at all. It's just a faint signal in an ocean of postmodernist bullshit full of dumbfuck meatbags fucking and stealing from each other.
Why is it that their actions should be viewed in the negative whatsoever.
I say they are absolutely correct in their behavior, they belong their, it is their territory and domain. We have no claim to it, we have no right to residence to it, and our behavior in our own lands forfeits our right to even complain about whatever operations they have going on.
I know a low about it, but nothing useful to anyone and nothing more than anyone else.
What I do want to do, and always mentioned it in conversation before, was to send out a wooden sailing boat with zero electronics, short a sonar transducer, and say hello. The sonar nets and satellites will confirm the encounter, and they will just have to trust what I say during the debrief. No electronics, no camera, no records of any kind.
Just an old spook with nothing else going on in life. I'll go out and say hi, or get vaporized.
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Anonymous 05/01/25(Thu)05:34:35 No.40239452
>>40229321#
>Im too much of a goof anyway. And I like drugs. Lmao.
Hey, it's me, the other bubblehead in the thread. There is a small group of highly religious spooks who believe that this entity has interacted previously with humanity.It is, in their view, biblical Leviathan.
I find it fitting, at least. Got this info from a campfire drunkfest at the Kabul embassy once. The sober view is that when these entities were seen before, and the USO was closer to the surface and near beaches, villages, etc… and visible from sailing ships, people started inventing conversations with it, and attributing it to their local god as one of his agents. Like poseidons snakes or whatever.
Anyhoo! The moral of the story is this- if, and big if, it is biblical Leviathan, then maybe be polite to it and not get our hair on fire yet.
Besides, it seems like a very interesting entity to have a conversation with, and I wholeheartedly invite the glowies reading all I wrote to swing by and offer me the job of taking a skiff out to the entity, dropping a sonar transducer, and talking to it.
Fuck it. Someones gotta do it.
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Anonymous 05/01/25(Thu)09:33:35 No.40240368
>>40235817#
>ship disappeared
>USO moved without registering instruments or water displacement
>in the same fashion
Sounds like it used whatever tech the propulsion is to capture the boys.
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Anonymous 05/01/25(Thu)09:47:29 No.40240419
>>40240368#
IF, and big IF, that boat actually disappeared, it probably was taken away.Scuttlebutt at the time used to be that the same tech the chinks stole for those orange laser whatever pieces of shit that are supposed to be tractor beam tech used in their deep tunneling and mining experiments.
The gist of it is that since every molecule and atom has a specific set of electromagnetic frequencies they mechanically resonate at, as seen in the visible spectra for elements in a lab environment. Something about how they run the beamformer creates a standing wave which one of the two beams can be slowly modulated to create a slight backward (or forward) movement of the standing wave. Pick a wavelength, suppose the hydrogen frequency in the gigaherz range, run the beamformers and notice how it only affects the hydrogen in water, not silica, dissolved salts, etc… unless they are near enough one of the harmonic frequencies being emitted. The chinks did it with minerals and had it going until something catastrophically failed. That was a few years ago, last I heard, and they have since improved their gear.
Same tech for water can, and is done. It isn't the same has magnetohydrodynamic propulsion, which is more or less a liquid version of those electric lifters people make with a flyback transformer and some tinfoil and copper wire. This is fundamentally different, as in the microwave in your kitchen which is tuned to the water molecules, or at least close enough that the bell curve distribution of frequencies emitted by the sloppy ass piece of shit microwave. A better emitter and control circuits, along with beamformers and a lasing medium, and buddy, you got yourself a MASER (if you operate in the microwave freq) or a RASER (radio) LASER (you get it).
The USOs also have and use their SASERs, as we do (sonar lasers), but theirs are of course much more high energy than ours.
A SASER hit to a submarine would be like getting a gigastrong ping and kill the crew.
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[OP] Anonymous 05/01/25(Thu)11:26:39 No.40240849
40240540
You are correct. That is not me. I have not posted since last night. There has been no credible questions. I have just been watching the thread get misdirected like most truthful posts do.I have posted in a very specific way for a reason. If it does not match that tone, that structure, or that focus, it is not me.
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[OP] Anonymous 05/01/25(Thu)11:57:41 No.40240980
40240949
You are speaking complete gibberish. This is exactly the kind of rhetoric I have been trying to steer people away from since the first post.I have stayed extremely fact based — sonar data, vessel classification, recorded mission type, and real consequences. And now you are talking about celestial craft maintained by some kind of planetary maintenance fleet, linking it to your body temperature and CRT monitors?
Really think about what you are saying. You are trying to mix Earth’s environmental collapse, auditory hallucinations, UAPs, and a Trello board like it is all part of the same briefing.
That is next level insane when you stack it next to the hard facts of a nuclear powered submarine being shut down like a toy and another platform vanishing without a trace. This is not about tribes or resistance cells. It is about what actually happened to trained professionals on a live mission.
This kind of metaphysical noise is exactly how people lose the plot. You are not decoding anything. You are muddying everything. Keep your performance art somewhere else. This thread is for people who want to understand what we actually encountered.
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[OP] Anonymous 05/01/25(Thu)12:12:33 No.40241077
40240952The platform that went missing was an experimental fast attack sub. Customized by Lockheed Martin with exotic materials. It was not built by them, but they had their hands in the systems. Stuff most of us had only seen in theory. We were told it was safe.
As for how high my access went — enough to be trusted. Enough to know what not to ask. I was never in the vaults at Groom or A51, but I was close enough to hear what floated out.
It shows up everywhere but the Pacific. That much is consistent. Tracking it is not. Sometimes it shows up for minutes, sometimes it lingers. Most nations never get close. When they do, a few might quietly converge in the area. No weapons out, just observation. That alone should tell you something.
Other countries have probably lost things too. No one says it directly, but the silence between nations when it shows up is louder than anything. You can feel the shared hands-off policy.
The rumor that makes the most sense is the exotic material on the missing sub may have triggered something. No impact, no distress call, just gone. We were close. Too close. The object did not just find the sub. It may have reacted to it.
We were not supposed to be there. And we were not supposed to be carrying what we had.
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[OP] Anonymous 05/01/25(Thu)12:23:53 No.40241131
40241099I clearly mentioned they were not the same class platform. One was a standard US Navy nuclear fast attack. The other was an experimental platform, customized by Lockheed with nonstandard systems and materials.
Sidenote and I should not have to keep repeating this I have a very specific way of responding. If it does not follow that pattern it is not me. The posts you are talking about broke that pattern if you look closely.
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[OP] Anonymous 05/01/25(Thu)12:36:42 No.40241188
40241151If you actually read what was written instead of stumbling in with half a question, you would see I already said it was made by the government and customized by Lockheed. Not built by them. Customized. That is a very clear difference and I made it twice already.
This is exactly the kind of lazy noise I have been trying to avoid. Scroll up. Read. It is not hard. You cannot just show up and expect to be spoon fed answers that were already given. If you cannot do the basic work, you are not ready for the deeper parts of this. Simple as that.
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[OP] Anonymous 05/01/25(Thu)12:51:37 No.40241257
40241212TD-65 is typically locked in the vertical position during rig for dive. If you know what that means, you already understand it is not a detail I would throw around lightly if I was not familiar with the layout.
Now with that out of the way — if you seriously believe I am talking about a standard, documented vessel with the layout you just rattled off from memory or a manual, then we are not having the same conversation. I clearly said it was not a listed platform. You are walking through a known configuration and asking me where the secret is hidden in it. That is like asking where the extra room is in a house you never built.
If you cannot differentiate between a fully mapped, open-source fleet design and a customized, classified test platform, then I cannot help you.
Adding a new floor — above or below — is not impossible. Not in a custom hull. Not when the entire thing is built under a different standard, with different mission parameters, and a different level of oversight. You are assuming the blueprint you know is the one that was followed. It was not.
You are smoking in ASW bay. I was watching something crawl across the trench wall that made an entire section of trained men forget what silence was.
So unless you are ready to discuss things that were not in the manual, save the attitude.
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Anonymous 05/01/25(Thu)12:59:30 No.40241283
>>40241257#
>not in the manual
Cool. Butt sniffing protocols complete. Now we can be bubblehead pricks together.My hangup is this-
You roll up on an entity like that, with the history of behavior that we do, we fuckin deserve it.
However-
To attribute the behavior of that entity based on the construction of the "platform" is unwarranted. My basis is this- it does not attack merchant shipping, even the ones which we load up with ISR packages in a shipping container. The same neutrino tomography assets on the new boats are being ran by all the other countries, in addition to our own.
Furthermore, the reactor itself is a blindingly bright neutrino source, not only withing the immediate vicinity, but as a fact of tracking with the NOMAD satellites and similar. That is not a good way to approach and say hello, especially when that vessel is manned by a bunch of dipshit animals- from the perspective of the entity.
On the basis that the entity limits its behavior commensurate with it's surrounding implies a degree of intelligence, and if we are to measure the overall tech capability of it, it knows every move we make at all times of any significant assets, and saw your "platform" being built through its own intel collection capability, in addition to it leaving port and "creeping up" on it.
We are not in "a" petri dish, but "the" petri dish. We didn't sneak up on the eyes in the microscope. Metaphorically.
It speaks our languages fluently. It knows our history better than we do. We have no standing to argue or have a problem with anything it does. The best we can do is approach in a dignified way, say hello, and move on.
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[OP] Anonymous 05/01/25(Thu)13:11:46 No.40241321
40241292Exactly. And if you had been paying attention you would know I have never once said they were killed. Not once.
I said they vanished. I said they went missing. I said they ceased to exist. I said there was a total systems loss with no distress call and no return. I said they were gone. That is very different from saying they were confirmed dead.
You want bodies and a hull. So do we.
But when a platform goes silent mid patrol with classified materials onboard in direct proximity to an unknown presence and is never seen again we do not need to guess what category that falls under.
You want to call it MIA. Fine. But do not pretend I said otherwise. Every word I have used has been deliberate.
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[OP] Anonymous 05/01/25(Thu)13:39:12 No.40241386
40241329You clearly have not been listening. I have said more than once, it is mobile. It does not sit in one place waiting for your microphone and good intentions. It moves. It watches. Sometimes it lets you see it. Most of the time it does not.
But sure, go ahead. Ask someone to sit right above the spot where a sub might have been vaporized. Tell them to dip a mic in the water and say hello like they are checking in with customer service. Let me know how that goes when the sonar cuts out and the pressure changes without warning.
You are talking about chatting with something that erased a platform without a sound. There is a reason no one goes back. There is a reason no one tries that approach.
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[OP] Anonymous 05/01/25(Thu)13:48:01 No.40241411
40241341I know you are not talking to me directly and most of what you are saying reads like a mix of sarcasm speculation drugs and frustration. That is fine. But I can answer a few parts based on the ongoing theory.
No the theory is not that it saw the sub as a threat. The theory is that the object or whatever it is recognized part of the materials on board as familiar. Possibly even native to itself. And it pulled them back in. Reassimilated them. Not as an attack. Just as a function. The people on board were just in the way. Wrong place wrong time. You are applying intent where there might have only been process.
As for saying hello that is not my term. That is the kind of language people use when they are trying to make this thing understandable. There was no communication. There was no recognition. It did not care we were there. It just did what it does and a classified platform disappeared without a trace.
Conclusion
This is probably about the Nordic drone carrier that makes the interceptor orbs AKA foo fighters. It defends itself when approached. Its drones shoot down intruding UFOs, which are often trying to abduct Humans.
The orbs earned the name "foo fighters" for their attempts to distract Allied bombers attacking civilians during WW2. Such interference with Human warfare and WMDs is one way that benevolent aliens protest Human barbarism. The Nordics are connected with Europe, just as the Nagas are to Asia and the Grays to North America, for example.
There is no reason to believe this contact was hostile, ominous or unusual. Just some wicked barbarians stumbling onto a critical facility and getting summarily crushed. Wicked because the USA plays with nukes, which are forbidden planet-killers. The Cold War would've ended us repeatedly without xeno intervention.
The third sub that disappeared was classified and no official record of it exists. That suggests a reverse-engineered xeno propulsion system, similar to the TR-3B. The sub may have been hunting the Nordic carrier using advanced sensors. The Nordic drone network is designed to detect and intercept xeno propulsion drives. Thus it may have triggered automated defenses.
The subsequent sub shutdown and sonar reveal were clearly a deliberate warning to the US Navy to back off. Multiple ships were lost before USN learned this lesson the hard way. You would think they'd remember what happened to Admiral Byrd's ill-fated invasion of Antarctica, but apparently they keep trying.
See here for analysis of the drone network's behavior:
https://www.goodreads.com/book/show/56346358-quantum-paranormal