Senator McALLISTER (New South Wales—Minister for the National Disability Insurance Scheme) (17:08): As I indicated to you in my answer to your first supplementary question, the fact of the schedule is well known and the fact of our arrangements with the United States' dimension of the AUKUS agreement is well known. Senator Shoebridge interjecting— The PRESIDENT: Senator Shoebridge, you may have missed it. I said from question 11 onwards that in this place, questions and answers would be heard in silence. That applies to you. Senator Sterle: I seek leave to ask a question on behalf of the engine room of our nation and the economy and a state that brings five brilliant Labor senators here, Western Australia, regarding Commonwealth government procurement and the Buy Australia Plan. Leave not granted.