 In November 1963 General Meyer assumed command of the Tactical Air Command's Twelfth Air Force with headquarters at James Connally AFB in Waco, Texas.Twelfth Air Force provided tactical air units for joint logistic and close air support training with Army ground units stationed in the western half of the United States.In February 1966 he was assigned to the Organization of the United States Joint Chiefs of Staff where he served first as deputy director and then vice director of the Joint Staff.