Sometimes referred to as Ballistic Missile Defence of North America (BMD/NA), the proposal for Canadian participation, logically envisioned as an extension of the North American Aerospace The Train Long Departed: Canada and Ballistic Missile Defence Page 1 by David Higgins May 2018 The Train Long Departed: Canada and Ballistic Missile Defence Defence Command mission, has been controversial from th [...] That is, an initial non-nuclear, limited defensive engagement provides additional time to further analyze and confirm the situation, including an assessment of the event The Train Long Departed: Canada and Ballistic Missile Defence Page 2 by David Higgins May 2018 The Train Long Departed: Canada and Ballistic Missile Defence as being deliberate, unauthorized or accidental. [...] That is, in terms of system kinematics, fundamental utility existed in the creation of a single continental defended area, rather than the segmented one represented by the The Train Long Departed: Canada and Ballistic Missile Defence Page 3 by David Higgins May 2018 The Train Long Departed: Canada and Ballistic Missile Defence contiguous United States and Alaska alone. [...] Over the course of seemingly endless consultations, deliberations and equivocations, it had become increasingly apparent that the Canadian government was acquiescing to non- participation, seemingly bolstered by the assumption that NORAD would, for the most part, be The Train Long Departed: Canada and Ballistic Missile Defence Page 4 by David Higgins May 2018 The Train Long Departed: Canada and Ba [...] This overarching system now comprises an increased number of fielded and planned ground-based interceptors located in Alaska and California; additional X-Band and other radars; expansion of the ship- and land-based Aegis Ballistic Missile Defense System; integration with the U. S. Army Terminal Area High Altitude Defence system and the employment of other, shorter-range defensive missile systems.