1971 – TRI-TAC established to ensure interoperability among services.
1976 – Original members of the various TRI-TAC testing teams, the U.S. military services and the National Security Agency began arriving at Fort Huachuca.
1984 – TRI-TAC/JTE was redesignated as DoD Joint Tactical Command, Control, and Communications Agency (JTC3A).
1989 – Official Ribbon Cutting Ceremony held for the opening of the JITC Headquarters facility at Fort Huachuca.
1999 – The Joint Interoperability Test Center name changed to Joint Interoperability Test Command.
Today – JITC continues to be experts in testing and certification, accelerating the Nation’s Information Technology dominance.
1973 – First known official Fort Huachuca TRI-TAC office was established in Greely Hall.
1979 –JTE/JTF was established.
1987 – The Defense Communications Agency, now known as DISA, consolidated the TRI-TAC/JTE and JTC3A organizations under one organization known as the Joint Interoperability Test Center, and moved them to Fort Huachuca. Construction of the new JITC Headquarters building began.
1998 – JITC Indian Head, MD was established.
2011 – JITC Fort Meade, MD established.