We then went a stage further and to share the technology established joint teams  for each of these major areas, so that er the specification while it was under Dasa's leadership, it was actually done by a joint team which involved expertise from British Aerospace and the other three  and er therefore at that time  the whole Eurofighter consortium was confident that they were making the best use of the available expertise across the four partner companies, each bringing to the table, their own  so that they could go forward on a confident basis.