The Gulf Commonwealth was one of the thirteen commonwealths of the pre-War United States of America. Created in the mid-20th century, it was comprised of the former states of Louisiana, Mississippi, Alabama, and Florida.
|The following is based on Fallout Tactics 2 and has not been confirmed by canon sources.|
As the Brotherhood expanded, they came across the gem of Florida. Keen to set up shop, they were baffled by the amount of alligator activity, caused by a mutated G.E.C.K. created by the corrupt Vault-Tec Industries.