 The division was activated at McConnell in July 1964 in anticipation of the activation of a second Republic F-105 Thunderchief wing there.The division was the command headquarters for the TAC wings at McConnell and provided support for USAF units there until November 1965, when the 355th Tactical Fighter Wing moved to Southeast Asia and the 23d Tactical Fighter Wing assumed support duties.The 23d Wing continued to deploy units to the Pacific and train both active duty and Air National Guard pilots on the Thunderchief.