The issue focused on by some on the International Space Station is not about human spaceflight, but what does it mean for the future of the UK's space industry? For some, an eye-watering £10bn is the price of doing business in space. For others, it's the price of doing business in the global economy.It's the size of the international space industry that has become the focus of this year's debate in the House of Commons. And it's the size of the global space industry