Senator EDWARDS (South Australia) (14:35): Mr President, I ask a further supplementary question. Can the minister advise the Senate how the government will maximise Australian industry involvement in our shipbuilding programs? Senator Kim Carr interjecting— Senator Edwards interjecting— The PRESIDENT: You have asked your question. Order, Senator Edwards and Senator Carr! Senator Kim Carr interjecting— Senator Edwards interjecting— Senator Ian Macdonald interjecting — The PRESIDENT: Senator Carr and Senator Edwards, it is disorderly to talk across the chamber. And Senator Macdonald. Senator Cameron interjecting— Senator Ian Macdonald interjecting— The PRESIDENT: Senator Cameron and Senator Macdonald!