Well, it's important because it's a big difference in technology, and therefore there's going to be a re-education required, for both the air crew and our technicians. So that takes time.
As we saw with the CF-18, to go from our legacy CF-104s and Voodoos to CF-18s took us from 1982 to 1988—six years—but we had more airplanes. Right now we only have two combat squadrons, so we're going to have to do this very carefully. While we're doing transition we still have to keep doing our job. We're going to have to look at how we overlap learning. When we think we're ready to cut the string on the CF-18s, we'll say, okay, we can now put that unit to rest and we now have a new capability.
It will take time. It will take us several years to do that learning and transition to a new capability without losing our current and expected capabilities to meet our defence needs.