Further, at a greater distance in international space, an identification zone has been established around North America.
On April 1st, 2009. See this statement in context.
On April 1st, 2009. See this statement in context.
Commander 1 Canadian Air Division, Canadian NORAD Region, Department of National Defence
Further, at a greater distance in international space, an identification zone has been established around North America.
See context to find out what was said next.