Since the end of the Cold War, the United States Army has been reengineered and downsized more thoroughly than any other business. In the early 1990s, General Sullivan, army chief of staff, and Colonel Harper, his key strategic planner, took the post-Cold War army into the Information Age. Faced with a 40 percent reduction in staff and funding, they focused on new peacetime missions, dismantled a cumbersome bureaucracy, reinvented procedures, and set the guidelines for achieving a vast array of new goals.

Hope Is Not a Method explains how they did it and shows how their...