Defense Intelligence Agency

The Defense Intelligence Agency (or DIA) was a pre-War government agency of the United States. It has a remote base in Point Lookout's Naval recruiting center that was investigating reports of a Chinese sympathizer in the vicinity named Wan Yang.

A Defense Intelligence Agency facility called "Swtichboard" is shown in Fallout 4, which was repurposed into the headquarters of the Railroad until an an Institute attack put the facility out of action. Further Railroad missions have you seek caches left around the Commonwealth by the DIA.