Why is the Met Office part of the Ministry of Defence (MoD)?
The Met Office is part of the MoD for both historical and supply reasons. Originally a small department within the Board of Trade, the Met Office was taken under the wing of the Air Ministry just after the First World War, later moving into the MoD. Additionally, by owning the Met Office, in times of a national crisis the MoD can guarantee access to the forecasting service.