 He became Assistant Chief of Naval Staff in March 1964, with promotion to rear admiral on 7 July 1964, in the lead up to a defence review by the Labour government which resulted in the 1966 Defence White Paper.He was appointed Companion of the Order of the Bath in the 1966 Birthday Honours.Pollock became second-in-command of the Home Fleet in May 1966 with his flag in the cruiser HMS "Tiger".