[1] The JITC had its roots in the TRI-TAC program of the 1970s, which sought to streamline and test the technology behind field and tactical command systems.
The program began officially in 1971, and work started in 1976 at Fort Huachuca in southern Arizona.
With an eye to fix this problem, the TRI-TAC program was rebranded and refocused in 1984 to become the Joint Tactical Command, Control, and Communications Agency (JTC3A).
This led to the Fort Huachuca part of the operations to be renamed as the Joint Interoperability Test Force (JITF).
An additional JITC mission used to exist at Indian Head, Maryland, but was closed in December 2016 resulting in testing moving to either Fort Huachuca, Arizona or Fort Meade, Maryland.