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What we do

We protect the security, independence and interests of our country at home and abroad. We work with our allies and partners whenever possible. Our aim is to ensure that the armed forces have the training, equipment and support necessary for their work, and that we keep within budget.

MOD is a ministerial department, supported by 29 agencies and public bodies.

Read more about what we do

We work on these topics

  1. Defence and armed forces

    The government works to defend the UK against threats to our national security, and to defend the interests of the UK and our allies in the world. Read more

  2. National security

    The government works to identify the most pressing risks to our security, and put in place the ways and means to address them. Read more

  3. Foreign affairs

    The government works to promote and protect UK interests internationally, and works with other countries to make progress on issues of mutual concern like trade, climate change, security and economic development. Read more

Our policies

  1. Supporting the Overseas Territories

    Working with the Overseas Territories on the challenges they face and encouraging strong local economies.

  2. Supporting the Falkland Islanders’ right to self-determination

    Maintaining the security and sovereignty of the Falkland Islanders.

  3. Establishing stability in Afghanistan

    How the UK is helping Afghanistan to become a more secure nation with international support.

See all of our policies

Documents

Our announcements

Our consultations

Our publications

Our statistics

Contact MOD

Office address

Whitehall
London

SW1A 2HB

Freedom of Information requests

CIO-SPP-IR Ops Team
1st floor, Zone N
Main Building
Whitehall
London

SW1A 2HB

Service Records enquiries

Service Personnel and Veterans Agency
Norcross
Blackpool

FY5 3WP

Low Flying complaints

If you have concerns about military low flying or wish to complain

Medals enquiries

MOD Medal Office
Building 250
RAF Innsworth
Gloucester

GL3 1HW

Ask Defence - Please note that we cannot reply by email. You must include a postal address if you wish to receive a response.

MOD Ministerial Correspondence Unit
5th Floor, Zone A
Main Building
Whitehall
London

SW1A 2HB

Military Aviation Authority

Military Aviation Authority Secretariat
Level 1, Juniper Building
MOD Abbey Wood (North)
Bristol

BS34 8QW

Permanent Joint Headquarters content enquiries

DBS Finance

Floor 1, Zone A
Walker House
Exchange Flags
Liverpool

L2 3YL

Ministry of Defence Register of interest

High profile groups within MOD

Corporate information

Read about the types of information we routinely publish in our Publication scheme. Find out about our commitment to publishing in the Welsh language scheme. Our Personal information charter explains how we treat your personal information.