text: The DIA , designated in 1986 as a Defense Department combat support agency , was established in 1961 as a result of a decision by Secretary of Defense Robert S. McNamara , under President John F. Kennedy .
simplified: DIA , designated in 1986 as a Defense Department combat support agency , was established in 1961 as a result of a decision by Secretary of Defense Robert S. McNamara , under President John F. Kennedy .