A Defence Medical Services Perspective on Military Aid to the Civil Authorities (MACA)

Research Paper Title

Military Aid to the Civil Authorities: a Defence Medical Services perspective.


This paper describes the policy and principles for the provision of Military Aid to the Civil Authorities (MACA).

It emphasises the importance of following the proscribed process in order to avoid possible political, legal, reputational and financial pitfalls.

It outlines the broader military application of MACA before focusing on where the Defence Medical Services can contribute, drawn from recent experiences and identifying other capabilities that may be of utility.

It draws heavily from the UK’s Joint Doctrine Publication 02 (JDP 02) and is quoted with the agreement of the Developments, Concepts and Doctrine Centre.

JDP 02: UK Operations: The Defence Contribution to Resilience and Security (Third Edition, 14 February 2017) provides guidance on the nature, planning, command and control and conduct of military aid to the civil authorities and military operations.


Millar, S. & Lane, I.B.F. (2018) Military Aid to the Civil Authorities: a Defence Medical Services perspective. Journal of the Royal Army Medical Corps. pii: jramc-2018-000909. doi: 10.1136/jramc-2018-000909. [Epub ahead of print].


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