Senator EDWARDS (South Australia) (14:25): Mr President, I ask a supplementary question. Can the minister explain how a continuous naval shipbuilding program will drive growth, jobs and high-tech innovation right across this great country of Australia? Opposition senators interjecting— The PRESIDENT: On my left! Senator Kim Carr: What about Williamstown? Tell us about— The PRESIDENT: Order, Senator Carr! Government senators interjecting— The PRESIDENT: And on my right! Senator Edwards interjecting— The PRESIDENT: Senator Edwards, you have asked your question. Honourable senators interjecting— The PRESIDENT: Senators on both sides! Senator Birmingham! Minister.