The Ministry of Defence is a ministerial department of the Government of the United Kingdom. It is responsible for implementing the defence policy set by the government and serves as the headquarters
MoD Main Building, Westminster
Air Chief Marshal Sir Rich Knighton, Chief of the Defence Staff since September 2025
Defence chiefs at the Coronation of Charles III in 2023
A British armed forces careers office in Oxford
Wes Streeting
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Wesley Paul William Streeting is a British politician who has served as Secretary of State for Defence since 2026. He previously served as Secretary of State for Health and Social Care from 2024 until
Ministry of Defence (United Kingdom)
…Employees 60,000 (FTE) civilian staff (April 2021) 198,940 military personnel Annual budget £66 bn GBP FY 2026 ($90 bn USD) Secretary of State responsible Wes Streeting, Secretary of State for Defence Department executives Air Chief Marshal Sir Richard Knighton, Chief of the Defence Staff Jeremy Pocklington, Permanent…
Official portrait, 2026
Wes Streeting in 2009
Official portrait, 2019
Official portrait, 2024