Cryonics Cryonics is the low - level temperature preservation of human s and animals in a suspended animation by slowing their vital functions , for the purposes of preserving them and keeping them alive for periods of time ranging from decades or even centuries until they are needed . Other purposes include safekeeping , or for keeping them alive for as long as possible while their brains are connected to an external expression device . History . Before the Great War , Robert House and his company , as well as the Big Mountain Research Facility , are known to have produced technology within the cryogenic and cryonic field . Robert House extensively researched extending the human life , and created his own cryonic chamber that allowed the user to connect their brain pattern and consciousness to an external interface . Big Mountain produced hibernation chambers with similar purposes , however , the nature of their research into the field is unknown . The United States Armed Forces experimented with cryonic technology as well , making the systems at the Raven Rock facility , and using cryonic chambers in the Sierra Army Depot . " Fallout 2 " . The Sierra Army Depot dealt in the field of cryonics , with one example being their cryonic submergence of Dobbs in bio med gel . The Environmental Protection Agency made use of hibernation chambers , holding three subjects within each . These editions were large transparent tanks filled with ice cold water , that is filled and drained through a long serpentine pipe system . " Fallout 3 " . The Enclave ' s scientific personnel at the Raven Rock base in the Capital Wasteland have several rooms dedicated to stasis , and their prisoner restraints use the same systems . There are two different versions of the Raven Rock stasis chambers : a green chamber holding the subject in the center , and a transparent blue holographic / light - based / photonic resonance chamber . The systems in Raven Rock appear to be the most advanced systems of their kind currently known on Earth . These chambers have been used to preserve yao guai , deathclaws , super mutants , feral ghouls , and human prisoners . Whether these stasis chambers are built for long - term preservation on the scale of years is unknown . The same blue - light stasis technology is used in Fort Constantine ' s T - 51b power armor storage room . Although unseen in - game , Vault 87 was meant to have been equipped with four stasis - chambers . Its history unknown , a liquid nitrogen - based weapon commonly known as a cryolator could be easily constructed . " Mothership Zeta " . The alien civilization aboard " Mothership Zeta " made cryonics a core aspect of their invasion and their research . The longest known preservation of a subject aboard the ship was over 600 years . They worked by entirely sealing the subject and the chamber from the outside , and used freezing cold air to suspend the subject . When opening , the chamber would decompress and stabilize with outside air , and force the subject to drop to the floor . Furthermore , there was a second method of cryonics used by the aliens . In their dedicated cryo lab , during the " Zeta " Uprising , the Lone Wanderer could have frozen alien soldiers with the loose systems , thawing them into an ice block for a mere few seconds . Elliott Tercorien could have harnessed the energy to create cryo grenade s and cryo mine s , which exact the same effect on targets within the blast radius . The only instance of cryonic technology in the Mojave Wasteland is Robert House ' s cryonic preservation chamber in the Lucky 38 . This is one of the only known instances of a cryonic chamber that links the subject ' s brain and consciousness with an external interface . It is an advanced piece of technology , linking Robert House to an external interface , from which he has access to large amounts of data from the Lucky 38 ' s mainframe , as well as the ability to control his Securitrons . Opening the chamber , even for a second , will doom the subject to having only little more than a year left at life due to exposure to outside contaminants . House hopes that with the Courier ' s help , he will be able to make the same cryonic technology he uses available to other high - value individuals in the future . The only other instance of cryonic technology is at the hazmat testing ground in the Big Empty , for storing the hazmat suit " Fallout 4 " . Vault 111 , located in Boston , was built to observe the effects of suspended animation on unsuspecting test subjects for 180 days , and holds multiple cryosleep pods . They are first shown to the Sole Survivor pre - War , disguised as " decontamination " pods . The Sole Survivor was preserved for exactly 210 years , with their spouse and son being taken in the year 2227 , 150 years in . All the other residents of the Vault perished by 2227 , due to Conrad Kellogg not reactivating their life support , with Shaun being abducted as an infant by him for the Institute . Green stasis tanks are also seen holding super mutants in the FEV Lab in the Institute ' s Bioscience sector . " Fallout Tactics " . Vault 0 kept pre - War geniuses in cryogenic stasis , by extracting their brains from their body and freezing them . They were then hooked up to the Calculator supercomputer , melding all of the identities of each connected brain into one . " Van Buren " . The Boulder Dome in Denver was equipped with prototype military medical cryo tanks that had a very high malfunction rate , and before the Great War , scientists were frozen in sleeper tanks . Victor Presper continued to use the equipment during his time spent there . Appearances . Cryonic technology appears in " Fallout 2 " , " Fallout 3 " , its add - on " Mothership Zeta " , " " and its " Old World Blues " , " Fallout 4 " , and " Fallout Tactics " . It is also mentioned in the " Dead Money " . Cryonic technology was also meant to appear in the canceled " Van Buren " .