The 7Ds – Defence in Depth

When an idea like the defence community re-emerges regularly over the course of 70 years but is never
realised, what does this tell us? The message is, first, that the idea is backed by a strong rationale that
does not allow us simply to shelve it and move on; but also, that the preconditions for its implementation
have been absent.

This paper brings together the insights of many Martens Centre experts in order to better understand what Europe needs to develop its defence policy and to how to implement the necessary steps.