A view point almost taken for granted among Defense officials is that national policy determines military strategy, which in turn determines the quantities and allocations of forces. Let me offer a contrasting position: "What actually halts the aggressor's action is the fear of defeat by the defender's forces, [even though] he is not likely to concede this, at least not openly.
Hughes, Wayne P. Jr.
"Naval Tactics and Their Influence on Strategy,"
Naval War College Review: Vol. 39:
1, Article 1.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol39/iss1/1