On February 20, the starting gun was fired for the campaign that will lead to a referendum on Britain’s membership in the EU. Although economics is expected to be the most important issue during the four-month campaign, British Prime Minister David Cameron plans to make security a central topic too. A dozen former British military chiefs have already written a letter to the Conservative-leaning Daily Telegraph underlining the value for the UK of security cooperation through the EU in an increasingly unstable world. [...]