Defence Secretariat 19

This article is about the British Ministry of Defence unit. For the Citroën DS 19 car, see Citroën DS.

Defence Secretariat 19 (DS19) was a special unit set up within the British Ministry of Defence by Michael Heseltine in March 1983. Its purpose was to combat the Campaign for Nuclear Disarmament (CND) and all calls for unilateral nuclear disarmament.^{[1][2][3][4][5]}