Guardians needn’t accept a poor position or tools; rather, they can use time as a lever to “change the game” by developing and planning for their domain. Peter Garretson proposes a fundamental necessity for a strategic doctrine—a Space Doctrine Publication 0-0, “Shaping & Competing”—that provides an informed starting point for strategy and force development in the peacetime interwar years. This doctrine will provide guidance to Guardians to ensure that sound, authoritative advice is available to a force expected to “secure our nation’s interests in…space”—interests that will only grow over time...