Secrecy For Rapture

* See also Closing_Off_Rapture
* See also Rapture Society
* See also North_Atlantic_Project and The Cover STory 
* See also The Surface 
* See also The_Smuggling_Operation and Contraband
* See also Ryan_Industries
* See also Persephone - Only Parts of that Place were 'Secret'
Keep it Secret, Keep it Safe.
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Oathbreakers ?? :
Were any/all of the people who came to Rapture required to take an Oath that they would be loyal to the City ??
That they fully understood how the place would be run ?
Having an 'Oathbreaker' we saw ( a labeled corpses ) does imply that was the case.
This would be an interesting addition to the various treatments of traitors, criminals and dissenters - Not just legally, but also reinforcing the idea that 'They Were Told', so that they could not say that "They did not know or realize" ... There might not be many 'laws' in Rapture, but loyalty is a somewhat different thing - part of the Social Contract agreed to by the Citizens.
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Construction Workers Being A Liability ? :
The Workers who built Rapture - Many who only worked on/near the ocean surface may have been safe to let leave, because they really did not know what was going on ( never saw the City ). The Rapture Novel mentions that many of the underwater workers were likewise uninformed, and really did not know that much -- They worked on only parts of it, and that it was simply a big 'industrial' project, ( and not what it really was ). Without the City Lights turned on, there would be little to see down below. The workers used to work on the finished interiors would have known more, and they should have been only the ones chosen to stay.
Perhaps it could be arrange so that most of the Workers did NOT know where they were, other than "The North Atlantic" or the connecting Seas ( and outside of the sight of land ). The people who ran the ships would know, but those were far fewer in number, and might be composed of Trusted People.
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Immigrants :
The mass of people who immigrated, would have to know they could not leave once they decided to come and had arrived. It would have been explained very clearly to the immigrants what kind of place they were going to. 20000 people is the Novel author's estimate. Them telling relatives or friends about their 'immigration' whold have to be limited somehow. The "Disappearance" schemes might obscure the actual transfer of people.
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Those Who Wanted To Leave :
BioShock Game had that situation : where there were people who wanted to leave when things got bad. The timing is Vague as to whether it was : back in 1952 when the "Crash" happened, the Chaos after the Kashmir Incident, or at some other time. The Protest Signs and suitcases are laying there in Welcome Center when Jack arrives, so it must be the later of those times in Rapture. Similar People who "Want To Leave" possibly happened more than once. 
If people were allowed to leave, Rapture's Secrecy was at risk. That was understood from the first.
Were people allowed to leave and come back before the Closing_Off_Rapture ??? They would be a similar liability.
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Company Men :
Ryan had to have His People working the Construction Project on the 'land' side. Presumably, they were Trusted People, and many eventually would also eventually move to Rapture. Ryan even as late as 1960 (and even after) had his Organization People who knew about Rapture and were still running the residue of his Industrial Empire.
The North Atlantic Project Typo Time : Noth Atlantic Project- someone pronounces it that way - perhaps Sinclair ?? included Agents in the Surface World to operate the disinformation. Later they would do survailence to trace the Smuggling operations threatening Raptures Secrecy.
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Lethe Tonic - "Lobotomy in a Bottle" :
Such an ADAM Tonic would have been a great advantage to use in sending away the people who no longer were suitable to Raptures society, and who thoroughly had proved they only belonged in the Land of Parasites on The Surface.
Memory erasure would be a very important tool if Rapture could use it to preserve its own Security through Secrecy. Ryan, given this idea, WOULD CERTAINLY have ordered a development project to see if it could be made possible/workable. If so, it may have been one of many things that were never completed because of the 'civil war'. Anything that affects the Brain is complicated, and wiping memories of Rapture WITHOUT wiping the individual's life and personality likely would be difficult.
There probably would be a whole system of 'processing' such people, employing that Tonic and a methodology to facilitate its goal. Preliminary experimentation likely would have been in the City's Insane Asylum(s) ( which later would be located and expanded in the Persephone complex ).
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Something Fishy in the Sea :
Some of the "There's Something in the Sea" materials present/assume ridiculous sloppiness of Ryan's Organization as to disclosing the Rapture project details, when there need have been none. There were various odd actions that would only cause questions and investigations ( again when there need not have been, and when Secrecy was so important ). Leaving one of their 'sub-contractors' holding large amounts of un-paid-for materials would be asking for trouble. 
Why even use sub-contractors which were not part (or made part) of Ryan's global empire ?? 
Why expose anything involved with the 'secret project' to any outsiders at all ?? The vast quantities of materials, parts and machinery that Rapture needed would justify setting up entire companies to handle the misdirection. Years of transaction with sub-contractors leaves a paper-trail back to Ryan's organization anyway. The various rich people who "bought into Rapture" would have been better channels of handling the flow of Rapture's construction materials - They would be more trustworthy, and the companies used would be reorganized when those rich people liquidated their worldly holdings.
There had to be a large cover story anyway for where these millions of tons of materials were going -- Something appropriately fake which would then fortuitously Fail ,and then be a total loss so that various stockholders and authorities would no longer care where the construction materials all went. Fortunately, largest portions of the City's construction materials was of cement/concrete, which could be supplied/made generically, else there would have been far more to have to hide, else be difficult to explain.
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Liquid Lobotomy - *New* From Ryan Industry Labs :
:"Trans-Orbital Lobotomy with no muss and no fuss"... ??
:An Answer for what to do with people who 'Wanted to Leave' Rapture.
:Another one of Suchong's 'ideas' ... ( Would have had it too if he didn't die )
:Could be called the "Lethe" Tonic.
:Obviously wasn't developed by the times of BS1 ( and Sofia Lamb wouldn't want it in BS2 ).
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Into The 1960s - With Cold War Awareness All About
Rapture probably went largely silent when most of its industry shut down when the Chaos happened even before Ryan's death. The Sea Mount crater which Rapture was built in probably blocked alot of the signs of its presence, and the ambient gurgling of geothermal vents could mask much as well.
Remember that Missile Crisis thing in 1963 ? No ? Don't they teach that in Public Schools any more ???
Cold Warhttps://www.conservapedia.com/Cold_War worries. People these days maybe are too young to remember the impact of that situation on peoples' minds in America/The World. CLUELESS/DECEPTIVE WRITERS : Oh yes, Ryan is 'paranoid' for speaking of such things ... These Gamewriters really did not "get it" ( Historically, did they ? ) in trying to smear Ryan with that.
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Secrecy ... Consider :
IF Soviet and American warships keep hearing "La Mer"/"Beyond the Sea" on their Sonar as they go by Rapture's location
That 'Frozen Triangle''Frozen Triangle' - Actually a popsicle product that Sinclair also had. This is supposed to be like 'The Bermuda Triangle' mystery type stuff. - a "Bermuda Triangle" type thing the writers came up with to try to waylay this issue.
Half the power in Hephaestus was used to run the huge radio jammers you see in Rapture Central Control ???
Not to worry about Rapture Radio - Radio waves go like shit through water (and so Rapture had a Cable Radio system).
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Was Rapture Known to Governments ? :
There were displaced persons by the millions in Europe and other parts of the World in those post-WW2 times. The entire situation was huge and chaotic, and Information and identity wasn't as extensively tracked as now. Consider the number of Nazis who disappeared into the rest of the world. People ran to escape Communism. Something like 1/4 of the US population had changed geographical locations within the US during the decade-plus Great Depression, and most were not tracked in detail ( example of a similar situation ).
The scope of the number of people in the World who disappeared would have been huge/confusing ( and that even just being for those actually being tracked by anyone or even known to exist ). The 20000-odd destined for Rapture were a mere drop in the bucket compared to all that.
As far as interest in Rapture ? This was the Cold Warhttps://www.conservapedia.com/Cold_War, and yes America and Russia ( various agencies and departments ) would be VERY interested in something like Rapture's existence, especially if information about the possibility of advance technologies got out. They would have investigated and assessed Rapture, and set out to acquire or destroy it ( to deny it to the other side ). Thus with such event missing, there likely was no solid knowledge about Rapture being known. Ryan's efforts to prevent that were likely much more than anything the game indicates ( but the MMORPG would disclose ).
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Rapture would have its RADAR and other sensors to help protect the Secrecy.
The RADAR ( Radio Azimuth Direction And Ranging ) would also be used to guide ships/planes/subs to Rapture in inclimate weather, so would have been amongst the first things set up at the Rapture Project Site.
Passive Sensors ( like Radio Scanners/Detection-Finders ) would also be used much of the time to Quietly detect foreign Radio traffic near Rapture ( RADAR basically is like a BIG BEACON saying SOMETHING IS HERE ).
Possibly a network/system of Sensor Buoys would be used to extend the range of this observation/surveillance.
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Part of New Rapture MMORPG Still Involves Dealings With The Surface World :
* Factions still bring things in from outside ( some of the more organized Splicer bosses have non-spliced/little-spliced cohorts they use to go up and get needed items ). Submarines take alot of maintenance and knowhow to operate, so they are important assets to be acquired.
* Independent Smuggler groups ( who have the resources like working subs ) deal with many of the 'stable' Factions. Of course payment is required for any trade goods ( the smart smugglers stay away from surface piracy as that attracts unwanted attention and usually has unacceptable risks ).
* Several key technical components/materials/instruments/information that Tenenbaum needed to get 'The Cure' working were obtained via smugglers. Some interesting clandestine patients at 'The Clinic' may be members of some of the smuggler groups trying to rid themselves of disabilities/disfigurement brought on by previous ADAM use. A mission/quest may be 'smuggling' in/out one of these special patients.
* Ryan's Rapture Faction ( centered in Hephaestus ) never lost touch with his Surface organization, which over the years rendered them considerable assistance. The Rapture City Council, since the Hephaestus Faction joined New Rapture, has some dealings with Ryan's Surface World Organization, which he had left orders to continue their work protecting Rapture and arranging assistance (secretly).
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