These were:[1] Note: This single "Deputy Chief" role was redesignated Vice-Chief of the Defence Staff after 1964.
[1] There are currently three people with the post of Deputy Chief of the Defence Staff (DCDS) at any one time.
These are:[2] In 1989–91, the Defence Operations Executive, led by the Deputy Chief of the Defence Staff (Commitments) and including the Assistant Chiefs of the Naval, General, and Air Staffs, supervised the Joint Operations Centre which in turn passed orders to the forces in Cyprus, Belize, the Falklands, and Hong Kong.
[3] Commander British Forces (CBF) British Forces Cyprus was a rotational post between the Army and RAF, at two-star level; CBF British Forces Belize was an Army brigadier; CBF Falklands was a rotational post between all three services at two-star level; and CBF Hong Kong was an Army major general.
These were:[1] Deputy Chief of the Defence Staff (Operational Requirements) Deputy Chief of the Defence Staff (Systems) Deputy Chief of the Defence Staff (Equipment Capability) Deputy Chief of the Defence Staff (Systems) Deputy Chief of the Defence Staff (Equipment Capability) Deputy Chief of the Defence Staff (Military Capability) Current title: Deputy Chief of the Defence Staff (Financial and Military Capability) (post discontinued in 1984; taken over by Chief of Defence Intelligence)