And yet the reality is that within a very short time after cancelling the Arrow the need for an interceptor was not, as you say, obsolete. That requirement mean

And yet the reality is that within a very short time after cancelling the Arrow the need for an interceptor was not, as you say, obsolete. That requirement meant that the Canadian government bought ex-USAF CF101-B Voodoo jets to replace the truly obsolescent CF-100 that the Arrow was meant to do. The development of interceptor aircraft similar to the Arrow continued on in various countries for decades.