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Formerly the ATLAS Observatory, Fort Atlas now serves as the headquarters of the new Brotherhood of Steel in Appalachia.Fallout 76 loading screens

Fort Atlas is a location in the Savage Divide region of Appalachia, formerly known known as 阿特拉斯觀測站.[1] Once the site of an advanced military science project, the observatory lay dormant for years following the Great War, inhabited by hostile robots. In 2103, Russell Dorsey collaborated with the Vault Dwellers of Vault 76 to construct a base for the incoming Brotherhood First Expeditionary Force, using the observatory as their construction site. Upon arrival, the Brotherhood renamed the facility to Fort Atlas, converting it into its current appearance.



While appearing to simply be an astronomical research laboratory, ATLAS was a military project on weather modification. Scientists worked here to advance the ATLAS Program, or Atmospheric Terraforming Laser Accelerator System before the Great War.


In 2103, Lucky Lou scavenged several automated turrets from the observatory for use in attempting to commit suicide and avoid turning feral.[2] Later that year, Russell Dorsey established a campsite near the facility's entrance and, with the assistance of his utility Protectrons, began constructing a framework around the structure. This included various elevated platforms, a medical tent, a landing pad, and deliberately sealing the observatory's interior.[3]

By late 2103, he had garnered the assistance of the Vault Dwellers in helping him fortify and establishing the new headquarters for the Brotherhood First Expeditionary Force.[4] Upon arrival, the Brotherhood fully occupied the base and renamed it to Fort Atlas.[5]



The observatory caps the crest of a hill along Route 63 east of Monongah. There are three entrances to the building. The exterior of the building has been re-inhabited by Russell Dorsey and several Brotherhood initiates and hopefuls.

Various platforms now provide easy access to higher parts of the structure. Near the eastern entrance, an armor workbench, weapons workbench, and power armor station can be found alongside a stash box. A small medical tent lies above the southern entrance, and a small residential tent has been assembled to the south.


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The building is a multi-level structure with border rooms encircling a vaulted central room that houses the telescope.

ATLAS substructure

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  • 瑪西亞·李昂
  • 麥斯西默·李昂


  • 蕾拉·拉瑪尼聖騎士
  • 丹尼爾·信騎士
  • 奧德莎·瓦爾迪茲學士
  • 艾倫·康納斯騎士 Dead
  • 羅素·多西新兵


  • 多西的日記 - 羅素·多西的床底下。


  • One Wasteland For All 最後細節 - 羅素·多西的帳棚內,櫃子上。
  • 自我提醒:取名 - 經過紅色的機械下樓梯就會看到,在白桌上。
  • 自我提醒:零件 - 紅色的機械旁邊金屬樓梯後側,木箱上。
  • 自我提醒:欄杆 - 釘在圓頂邊上,從木梯上去朝北方走就會看到。
  • 代辦事項:釘槍 - 羅素·多西旁邊的運兵車內。
  • 代辦事項:動力裝甲 - 動力裝甲工作台附近桶子上。
  • 代辦事項:標誌 - 圓頂旁邊的木梯上去,左側木板檯子上。
  • Back in a bit Cut content - 在第21更新檔前可以在羅素·多西的帳篷內桌上找到。


  • 阿特拉斯計畫研究日誌#104 - 樓上瓦爾迪茲學士的終端機旁。
  • 阿特拉斯計畫研究日誌#293 - 同上。
  • 康納斯騎士:回報 - 西側寢室板凳上。
  • 瓦爾迪茲學士的終端機密碼 - 發明之母任務獎勵。


  • 阿特拉斯除役報告 - 有三份,發明之母任務過程會找到。
    • The first is found on a console near the ATLAS diagnostics terminal.
    • The second is found on a wooden cart near the skeleton of Isaac Hammond.
    • The third is found on a metal cart along some piping, to the right after going down the stairs from the main entrance of the substructure.
  • 瓦爾迪茲的推薦信 - 發明之母任務過程拿到。
  • Potential magazine - In the mine section during The Best Defense, on a shelf near the top part of a conveyor belt in the medium-sized room with the catwalk and office niche.
  • Two potential recipes:
    • One in the mine section, near the wall-mounted terminal and connected supply room, on a cabinet at a nearby dead end.
    • One on a shelf near the westernmost tunnel girder, in the final room of the mine section.


  • 2把阿特拉斯公共設施鑰匙:
    • 地下室一處天花板塌陷的區域桌上。
    • 地下室一處通往外面的門的走道出來旁邊桌上。
  • 阿特拉斯主任的密碼 - 同上。


  • The location of ATLAS Observatory was renamed to Fort Atlas in patch 24, the initial release of Steel Dawn.
  • If one chooses to call a nuclear strike on the location as part of the quest I Am Become Death, individuals outside of the location will don hazmat suits. Upon detonation, everyone around the exterior of the station will die except for Russell Dorsey. Weaponry outside will also be damaged and require repair.


Fort Atlas appears only in Fallout 76. Formerly known as ATLAS Observatory, it was expanded upon in The Legendary Run update, before being fully converted to Fort Atlas with Steel Dawn.


50 Vault-Tec C.E.O..png以下内容基於未經證實的幕後花絮,因而不應完全作正史内容看待。
  • 阿特拉斯觀測站的靈感可能參考了高頻主動式極光研究計劃(HAARP),是一個由美國空軍、美國海軍、國防高等研究計劃署(DARPA)及阿拉斯加大學所共同合作的電離層研究計劃。雖然HAARP研究站位於阿拉斯加而非阿帕拉契,但其陰謀論,即該計畫可能是為了進行氣象戰而進行的研究成為遊戲中觀測站的存在用途。
  • 阿特拉斯是希臘泰坦神族的擎天神,遊戲的地名選用此名可能源自其典故。
  • 阿特拉斯計畫的靈感可能來自大力水手行動,一場美軍在越戰期間進行的軍事播雲行動,該計劃試圖將季風延伸至北越,以使路面軟化並造成山崩,從而擾亂北越的軍事供應。
50 Vault-Tec C.E.O..png關於未經證實的幕後花絮的内容到此作結。


Fort Atlas

ATLAS substructure

Pre-Steel Dawn

Pre-Legendary Run


  1. Fallout 76 Vault Dweller's Survival Guide p.409 "22. OBSERVATORYIn-game spelling
    The AtlasIn-game spelling Observatory, an atmospheric and astronomic facility, is one of the largest domed telescopes still left standing. It offers loot as well as information on what scientific research was going on before the bombs dropped. Outside, the rocky mountain outcrop upon which the observatory is built offers exceptional views to the west, toward Monongah. There's a small exterior door (2) on the structure's western edge, but the main entrance is on the south side, after navigating an enemy-filled parking lot (or sneaking in via the lower loading dock entrance to the southeast). Inside, the circular structure is somewhat confusing unless you methodically search each chamber, culminating with a check of the giant telescope itself."

    (Fallout 76 Vault Dweller's Survival Guide Atlas of Appalachia)
  2. Carleton Mine terminal entries; Lou's engineering log, Turrets
  3. Back in a bit
  4. Events of Fortifying ATLAS
  5. Vault Dweller: "Fort Atlas?"
    Russell Dorsey: "Yep. The Brotherhood renamed it when they turned it into their new headquarters here."
    (Russell Dorsey's dialogue)