Vault - Tec : Among the Stars Vault - Tec : Among the Stars is a location in the Nuka - World Amusement Park in 2287 . Background . The attraction was opened as a way to attract customers to purchase spots in vaults . Vault - Tec sales staff were instructed to manipulate potential applicants by making them feel like part of the Vault - Tec family and handing out brochures such as " Mutations : It Could Happen to You . " and hidden monitoring rooms made it clear that the ride was also used to experiment on visitors and staff through Project Consumer Guidance . Luis Bateman , the project ' s lead , oversaw five experiments that were tested on visitors and staff . The first experiment was brainwave disruption , which used radiation scrubbers to emit an electromagnetic field that caused interference in the brainwave patterns of subjects . The second used audio emitters to generate varying degrees of subliminal suggestions overlaid with a special frequency , while the third released an airborne toxin from genetically - modified flora . The fourth experiment modified the exhibit ' s reactor to emit theta - band radiation in short , low doses . The final one used the previous four experiments on the attraction ' s staff , including Hodgson , Grunner , Langston , Dallas , and Bartlebee . J . Hodgson , the Operations Engineer for the attraction , reported abnormal behavior by visitors , before experiencing headaches , nosebleeds and memory loss . C . Grunner , the Theta Radiation technician involved in the experiment , locked the doors to the monitoring room after suspecting that Bateman had piped the radiation into the monitoring room . Later , R . Langston , the Subliminal Suggestions technician who operated in the same monitoring room , burst in to warn him of the bombs . Langston was then shot by Grunner , who then committed suicide . Layout . Vault Tec : Among the Stars is presented as an imagining of a vault that would be built on other planets . Visitors walk through rooms displaying the concept of the vault , but are subject to Theta Radiation and subliminal messages as part of the experiments run by Vault - Tec . Upon entering the building , a pathway through an outline of a vault door leads to a display of the surface of a planet , with an animatronic wearing a spacesuit costume s . The lights and tour dialogue activate automatically when visitors approach the exhibits , or can be manually activated with buttons located near the exhibits . The walkway continues to a real vault entrance , marked " Arcturus I " instead of a vault number such as Vault 111 . Many doors inside the vault lead to concrete walls , as the vault is just a concept . On the pathway to the atrium , visitors are subjected to radiation , causing blurred vision . Visitors travel along the second - floor of the atrium , where trees are planted for dwellers to " relax in an Earth - like setting . " The pathway goes down some stairs to a private residential suite , with a sliding door on the left that leads to a generator with a fusion core inside , as well as a monitoring area with the Project Lead terminal . A hole in the wall leads into the reactor room , which is dimly lit and full of radiation . The visitors ' path continues past a hydroponics room , where green mist is visibly being sprayed into the air of the visitor walkway . The door on the right leads into the hydroponics room , while the door on the left leads into the vault ' s research area , with a few chemistry station s and science supplies . A window and door frame provides a view of the reactor room . The final display area contains large models of planets , as well as the body of a trader . The final area of the attraction is similar to the entrance to the attraction , and leads to a large room on the lower level . Visitors can exit through the door on the left , or take an elevator to the upper level where the entrance to the walkway is located . The large room on the lower level also has a door that leads to an employee only area , where the Operations terminal is located . A sliding door on the left of the employee area leads to another monitoring room , with the Experiment 002 and Experiment 004 Observation terminals . A hallway from the employee area goes to the lower level of the atrium , where visitors cannot enter . Related quests . Variable Removal - The Railroad may send the Sole Survivor to this location to eliminate a Courser . Appearances . Vault - Tec : Among the Stars appears only in the " Fallout 4 " add - on " Nuka - World " .