Thomas Modly had an eclectic career in the military, academia, business, and government when he answered the call to service in 2017 and returned to the Navy where his career began. His experience, as chronicled in these pages, tells the story of Secretary Modly’s quest to advance the Department of the Navy’s preparedness for the challenges of this century. As Acting Secretary of the Navy he held fast to the mantra of “acting, not pretending,” and thus advocated aggressively for the Navy and Marine Corps’ future — a future he believed would be defined by uncertainty and...