At any one time, you're probably going to see the services define the requirements. The Department of National Defence is involved. You have Justice, which is going to give you a legal opinion. You have ISED, which is going to give the technical option. You have PSPC, which is going to be the agency that's responsible for it. On top of that, you're going to have Treasury Board, which is going to have the financial aspects. That is true for most of the large procurements.
