National Missile Defence and the politics of US identity

Why adopt a poststructural lens for the reading of the military strategy of national missile defence (NMD)? No doubt, when contemplating an attack on US territory by intercontinental ballistic missiles, consulting Michel Foucault and critical international relations theory scholars may not seem the obvious route to take. The answer to this lies in another question: why has there been so much interest and continuous investment in NMD deployment when there is such ambiguity surrounding the status