Military

Decapitation, as a military or police tactic, refers to the strategic removal of the leaders of illegal entities such as terrorist groups, via assassination or arrest. These tactics typically emphasise the removal of leaders above other strategic goals.

National service is a system of compulsory, military government service which requires citizens to spend a year undertaking basic military training. The UK introduced the National Service Act at the outbreak of World War 2. It ended in 1963.