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Appalachian launch codes are eight character codes required to launch nuclear weapons at different sites around Appalachia in Fallout 76.

Collecting the code piecesEdit

Scorched officer radio pack

The radio pack of a dead Scorched officer.

Each launch code is gathered by finding eight individual pieces around the map. These launch code pieces are found on Scorched and ghoulified former military officers, identifiable by the radio packs on their back that emit a red light and a high pitched sound in a regular sequence. Locations of launch code pieces for each silo (Site Alpha, Site Bravo and Site Charlie) can be found by initiating a radiant quest at the surveillance terminals in the command wing of The Whitespring bunker. Launch code pieces can also be found around the map, randomly, on either alive or deceased Scorched and Feral officers.

Code piece expirationEdit

Players with a launch code will get a notification which lets them know when they are about to expire and will claim to self-destruct, but will just disappear from inventory causing no harm to the player. Codes currently expire weekly on Monday, no matter when they are acquired beforehand.

  • Monday 7PM EST
  • Monday 4PM PST
  • Monday 12AM GMT

Unscrambling the codeEdit

Once the player character has gathered all eight pieces for a specific silo, they must then unscramble the digits paired to each letter to get a launch code. Several steps must be carried out to unscramble the code correctly.

By putting each piece of the code together, in the order displayed in the Pip-Boy, it will be necessary to decrypt the string created.

For example:

C R D T Q G L P
5 6 3 0 0 3 5 9

In order to decrypt the letters of the code, a keyword cipher must be used. In a keyword cipher, a keyword is used as a key, which will subsequently set the letter matchings of the cipher alphabet to the regular alphabet. Any repeats of letters within the keyword will be ignored, and if any letters of the regular alphabet have been used in the keyword, they will be ignored, when they are sequenced through afterward. The keyword for the cipher can be found in the command wing of The Whitespring bunker for each silo. A letter of the keyword for each silo will appear regularly or irregularly, depending on the length of the keyword, each week. Keywords expire at the end of each week, meaning that each keyword for a specific week will not be the same as the week prior. This article uses the keyword "CIRCUIT" as an example. With the keyword, one can determine the cipher alphabet used in the encryption.

Keyword:      CIRCUIT

Plaintext:    A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Encoded:      C I R U T A B D E F G H J K L M N O P Q S V W X Y Z

With the information shown above, the string of letters in the encrypted code can now be decrypted, by viewing the letters in the encoded alphabet, and finding the corresponding letter to the encoded letter in the regular alphabet.

String:       CRDTQGLP

First letter:

Encoded:      C
Plaintext:    A

Second letter:

Encoded:      R
Plaintext:    C

...

After decrypting each letter, a new string will be created.

Encoded string (original):          CRDTQGLP
                                    56300359

Decoded string (new):               ACHETKOS
                                    56300359

The now decrypted string of letters make up an anagram, in which the letters must be re-arranged, to form an English word. However, when a letter is moved to a new position, the digit, paired to that letter is also moved, effectively unscrambling the code, while solving the anagram.

Decoded string (unsolved anagram):  ACHETKOS
                                    56300359

Decoded string (solved anagram):    HOTCAKES
                                    35065309

With that, the digits pairing to the string of letters in the solved anagram, is the unscrambled launch code, which can then be inputted at one of the three silos in the Appalachia, along with a nuclear keycard, to launch nuclear weapons to targets in the Appalachia.

Scrambled launch code:              56300359

Unscrambled launch code:            35065309

NotesEdit

Compared to the launch codes found in Fort Constantine and the Divide, Appalachia launch codes have higher encryption and are separated into multiple segments.

External linksEdit

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