It is about generally modernizing NORAD. It is about materiel solutions and non-materiel solutions—you've heard those terms before. It is about the commanders who jointly are responsible for continental defence, namely the Americans and the Canadians, coming together and asking the question underlying the original premise of NORAD: are we better defending together than we are unilaterally? Even though we can accord, can we do so in other domains and can we pursue other solutions?
On September 14th, 2017. See this statement in context.