Clearly, anyone employed by a relevant defence company or in the UK Government will be subject to advanced vetting, which would likely preclude a number of the individuals my hon. Friend described. The main thing that we have got to do is increase our skills in this country, which is why we are investing in science, technology, engineering and maths. We are very fortunate in having three or four of the top 10 universities in the world in the United Kingdom—wherever I go in the world, people look at that with envy—which is a base from which both our intelligence agencies and industry can draw.