Paul Blomfield (Sheffield Central) (Lab): I am pleased that the Minister of State has had the opportunity to spell out the importance of international students to the UK economy, and his Department has estimated that the contribution could double. I am sure that he will share my frustration at the way those prospects are being undermined by the Home Office. What is he going to do about it? Mr Willetts: We completely understand the importance of the Home Office maintaining the integrity of our immigration controls, but BIS -- and the whole Government -- believe that legitimate students who have a visa entitlement to come and study in Britain should be welcome. There is no cap on those numbers and we are making every effort through UKTI and British embassies abroad to continue to communicate the message that Britain is a great place to come and study at our colleges and universities. Andrew Stephenson (Pendle) (Con): There has been a series of positive announcements from the aerospace industry in the last few months, especially from companies such as Rolls-Royce, which employs more than 1,000 people in my constituency. Will my right hon. Friend say more about what he is doing to support the aerospace sector? Vince Cable: Within the last few months I have been to Sheffield to open a new centre developing frontier research on materials. There is in addition work on 6 Sep 2012 : Column 382 aerodynamics, which we developed through a new grant under the leadership