The Ukraine war has many lessons for NATO, but one of the key lessons is the need to rethink the linkage between its force planning and its defense industrial base. Some of these lessons reinforce the lessons of past national, NATO, and EU studies. Some illustrate the need to take a new approach to shaping the industrial base of NATO states and their strategic partners, and some are tied to the need to look beyond defense and to look at the national and collective trends in terms of grand strategy.