History Main / TwoKeyedLock

12th Jul '16 6:27:37 AM hoodiecrow
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* In the ''Series/DoctorWho'' episode "Journey's End", the Earth's self destruct requires three out of five UNIT soldiers in different countries around the world to work together to activate it.

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* ''Series/DoctorWho'':
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In the ''Series/DoctorWho'' episode "Journey's End", the Earth's self destruct requires three out of five UNIT soldiers in different countries around the world to work together to activate it.it.
** "Dinosaurs on a Spaceship" has a manual override for the navigational system that requires two people "of the same gene-chain" to unlock it and pilot the ship. Fortunately any old DNA will do, and not just the DNA of the builders.
** Averted in "Cold War" the launch control system of a Soviet nuclear submarine allows [[spoiler:an Ice Warrior]] to retarget its missiles and ready them for launch using a single key [[spoiler:taken from the executive officer]]. It is an aversion, since the plot hinges on this being possible, [[spoiler:but ultimately we don't get to see if the two-key security actually was compromised]].
22nd Jun '16 8:18:51 PM Bissek
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* In ''[[VideoGame/{{Ys}} Ys Book I & II]]'', the second boss of Book I requires two keys to access, unlike the others.

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* In ''[[VideoGame/{{Ys}} Ys Book I & II]]'', the second boss of Book I requires two keys to access, unlike the others. Though in this case it's two sets of locked doors that one man can open sequentially, as opposed to one door that has to be opened by two people simultaneously.
22nd Apr '16 1:42:18 AM Chabal2
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* Averted in ''Literature/BigTrouble'', where a nuclear bomb in a suitcase gets lost in Miami.
--> "Could they set it off?" asked Baker. "I mean, doesn't it have, like, whaddyacallem, fail-safe things?"\\
"This thing wasn't built by good guys," Greer said. "It's not like in the movies, where the president has to give the Secret Code and two trusty soldiers have to turn their keys simultaneously. This thing was built by bad guys who wanna be able to set it down in a public place in a crowded city and arm it quickly."
18th Apr '16 4:06:49 AM TinMan
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* In ''Literature/TheSumOfAllFears'', not a physical lock, but when President Fowler orders a nuclear strike on Iran, he has to get it confirmed by someone else from an approved list. Since both the secretaries of State and Defense are dead, he tries to get CIA Deputy Director Jack Ryan to confirm the order. Ryan refuses, since it's an act of DisproportionateRetribution, using a nuke to kill one man. Turns out to be the right call since Iran wasn't actually behind the nuclear attack at the Super Bowl.
26th Mar '16 12:23:11 AM JackG
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** In another version of the Two Man Rule, nuclear missiles stationed in foreign countries had an American officer and an officer of the host nation in possession of one key. However it was pointed out that some of those nations (such as Turkey and Italy) had experienced military coups, so they could simply hit the American officer over the head and steal his key.

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** In another version of the Two Man Rule, nuclear missiles stationed in foreign countries had an American officer and an officer of the host nation in possession of one key. a launch key. However it was pointed out that some of those nations (such as Turkey and Italy) had experienced military coups, so they the locals could simply hit the American officer over the head and steal his key.
26th Mar '16 12:21:23 AM JackG
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** In another version of the Two Man Rule, nuclear missiles stationed in foreign countries had an American officer and an officer of the host nation in possession of one key. However it was pointed out that some of those nations (such as Turkey and Italy) had experienced military coups, so they could simply hit the American officer over the head and steal his key.
25th Mar '16 8:17:12 PM JackG
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* Combined with NoOSHACompliance in ''Film/{{Hulk}}'' as the locks are close enough for [[MadScientist David Banner]] to activate the SelfDestructMechanism after stealing both keys.
15th Mar '16 12:36:27 AM Eddy1215
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* In ''{{Chaotic}}'', the Doors of the Deepmines, that act as the M'arillians' prison requires four keys held by the other four tribes to open.

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* In ''{{Chaotic}}'', ''WesternAnimation/{{Chaotic}}'', the Doors of the Deepmines, that act as the M'arillians' prison requires four keys held by the other four tribes to open.
15th Mar '16 12:36:11 AM Eddy1215
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* One of many many secure location tropes parodied in a ''WesternAnimation/FamilyGuy'' "found a new place to hide my porn" sequence.

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* One of many many secure location tropes parodied in a ''WesternAnimation/FamilyGuy'' "found a new place to hide [[PornStash my porn" porn]]" sequence.
4th Feb '16 6:43:47 AM Paranoia
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* In AmazingGraceAndChuck, the explanation of why this is in place in the nuclear missile control room (and why the men stationed in such a secure area are armed) is part of what terrifies Chuck when he's touring the silo.
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