I always start with NORAD, that being the crown jewel of U.S.-Canadian defence collaboration and indeed the gold standard for defence collaboration around the world.
There are opportunities in the maritime awareness and warning realm to tackle this question of understanding which ships of interest are transiting the Arctic in order to better share information and to sustain dialogue again on how we're going to invest at a time of terrific pressures on our respective defence budgets in building capability where it is short today.