 When this unit was still known as the Directorate of Plans, it at first accounted for about 75% of the CIA Budget and about 60% of the personnel within the CIA.After being the Deputy Director of Plans until 1973, the position was then known as Deputy Director for Operations (DDO) until October 13, 2005 when, under the Intelligence Reform and Terrorism Prevention Act of 2004, the position was renamed to D/NCS.At some unknown point in time, it was named Deputy Director for Operations.