If it keeps British workers going, and British design skills going GOOD. I have not forgotten the TSR2 vs F-111 fiasco, or the Blue streak fiasco. Opportunities lost because of a lack political will and vision. There are those that would say that we don't need an such a fighter as the conflicts we are involved in are not traditional types. But foreign governments can change very quickly, weapons take much longer to bring to fruition. History has shown that to survive we need two things, a strong navy and a good air force. Jerry knew he could not invade without air superiority and if he did the royal navy would just steam into the channel and wipe em out.