questionText: To ask the Secretary of State for Defence, what progress Defence Equipment and Support has made on modelling the key integration challenges associated with Homeland Integrated Air and Missile Defence.
answerText: Modelling the key integration challenges associated with Homeland Integrated Air and Missile Defence is in progress to determine the best balance for investment of the up to £1 billion of new funding announced in the Strategic Defence Review. 
heading: Ballistic Missile Defence