The re-evaluation of the requirement for Nanisivik is a function of a variety of things, including ongoing development in that general area, which was not necessarily either predicted or known about at the time that Nanisivik was announced. There are other things going on up there that we can leverage, which don't necessarily require us to make the degree of investment we were initially looking at.
Obviously there are issues in terms of how much is enough with respect to the bare minimum capability. The navy had maintained that the minimum capability was to have a terrestrial refuelling capability, and anything beyond that would be nice.